T/F the handset should be removed from the charging cradle and stored carefully after reaching a full charge.

Answers

Answer 1

It is true that the handset should be removed from the charging cradle and stored carefully after reaching a full charge. This is because leaving the handset on the charging cradle for extended periods can potentially cause battery damage or reduce its overall lifespan.

Leaving the handset on the charging cradle for an extended period of time after it has reached a full charge can actually be detrimental to the battery's overall lifespan. This is because the battery can become overcharged, which can lead to a decrease in its overall capacity. Removing it from the cradle and storing it safely ensures optimal battery health and longevity.

Additionally, if the handset remains on the charging cradle for too long, it can also cause the battery to overheat, which can be a safety hazard. Therefore, it's important to remove the handset from the charging cradle as soon as it has reached a full charge, and to store it in a safe and secure location until it's needed again.

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Answer 2

True, the handset should be removed from the charging cradle and stored carefully after reaching a full charge.

It's important to avoid overcharging and ensure the longevity of the battery and so, remove it from the charging cradle.

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Related Questions

Doubling the diameter of a solid, cylindrical wire doubles its strength in tension.

True

False

Answers

Answer:

True ❤️

-Solid by solid can make Cylindrical wire doubles Strengths in tension

1. Consider a solid cube of dimensions 1ft x 1ft x 1ft (=0.305m x 0.305m x 0.305m). Its top surface is 10
ft (=3.05 m) below the surface of the water. The density of water is pf=1000 kg/m3.
Consider two cases:
a) The cube is made of cork (pB=160.2 kg/m3)
b) The cube is made of steel (pB=7849 kg/m3)
In what direction does the body tend to move?​

Answers

Answer:

  a) up

  b) down

Explanation:

When the cube is less dense than water, it will tend to float (move upward). When it is more dense, it will sink (move downward).

a) 160.2 kg/m^3 < 1000 kg/m^3. The cube will move up.

__

b) 7849 kg/m^3 > 1000 kg/m^3. The cube will move down.

Convenience items like liquid egg are a lot more expensive?
True
Or False

Answers

It’s true because convenience stores are more expensive so that means overall the items would be more expensive.

Answer:

True

Explanation:

It's just because of the processing

5-9. A new six-speed automatic transmission
for automobiles offers an estimated 4% improvement
in fuel economy compared to traditional fourspeed
transmissions in front-wheel drive cars. If a
four-speed transmission car averages 30 miles per
gallon and gasoline costs $4.00 per gallon, how much
extra can a motorist pay for a fuel-efficient six-speed
transmission? Assume that the car will be driven for
120,000 miles over its lifetime of 10 years. The motorist
can earn 6% per year on investments. (5.3)

Answers

If a four-speed transmission car averages 30 miles per gallon and gasoline costs $4.00 per gallon, the maximum amount that should be paid for a fuel-efficient six-speed transmission is $453.

What is the explanation for the above results?

We are given the following:

Total Fuel Cost when using traditional transmission = Miles Per Year / Miles Per Gallon x Per Gallon Cost

= Miles/year

= 120000 / 10 = 12,000 miles

Hence the Total Fuel Cost = 12000/30 x 4

= $1,600

With 6 speed , miles per gallon = 30 x (1+ 0.04) = 30* 1.04 = 31.20 MPG

Hence the reviewed Cost = 12000 / 31.20 * 4 = $1,538.50

This means that  Yearly Savings in cost = 1,600 - 1538.50

= $61.50 per year

Hence, every year we save $61.50

Therefore, the maximum amount that will be paid extra is the present value of all the savings where n =10 and i = 6%

So, PVIFA (n=10 , i=6%) = 7.3601

So Present Value of Cash Flows = 61.50 x 7.3601 = 452.64615

\(\approx\) $ 453

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An electrical system failure (battery and alternator) occurs during flight. in this situation, you would?

Answers

An electrical system failure (battery and alternator) happens in a magneto-equipped aircraft during flight. In these circumstances, you would experience avionics equipment failure.

What do you do if your alternator fails in flight?

If your alternator exists covered by an alternator circuit breaker, and it contains popped, you could try pushing it around to continue the flow of power. Resetting can even be performed by turning off, then on also, the alternator's on-off switch, usually a panel-type switch paired with the battery switch.

An electrical system failure (battery and alternator) happens in a magneto-equipped aircraft during flight. In these circumstances, you would experience avionics equipment failure. The airplane will relinquish all electrical equipment.

Turning off non-critical electrical things (such as second radio, passenger cabin lighting, recirculation fans, and other non-essential electrical systems) in order to separate and determine the origin of the issue or to decrease the electrical load. A determination to land at the most appropriate airport.

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how to find density ? because the answer 764.526kg/m^3

can someone check ?


Q2)
volume =2.5m^3
weight = 18.75 kN

•specific weight=weight/volume
=18.75/2.5
=7.5kN/m^3

density =
mass/volume
no mass , so use formula weight =mass x gravity

18.75kN=mass x
9.81ms^-2

mass = 18.75 kN/9.81
mass =1.911

density = mass/volume
=1.911kg/2.5m3
=0.7644 kg/m^3

how to find density ? because the answer 764.526kg/m^3can someone check ?Q2) volume =2.5m^3weight = 18.75

Answers

Answer:

The weight is 18.75 KN/m³ that means

weight = 18750 N/m³

and mass = 1911 kg

what is the best way for athe release train engineer to show progress of work in the current program increment to management?

Answers

The best way for the release train engineer to show progress of work in the current program increment to management is through regular and transparent reporting.

How can the release train engineer effectively communicate progress to management?

Regular and transparent reporting is crucial for the release train engineer to effectively demonstrate the progress of work in the current program increment to management. By providing regular updates and clear visibility into the status of each deliverable, the release train engineer can establish a strong communication channel with management.

This can be achieved through various means such as status meetings, progress dashboards, and detailed reports that highlight key milestones, accomplishments, and any potential roadblocks. Transparency in reporting ensures that management is kept informed about the overall progress, allowing them to make informed decisions and provide necessary support when required.

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*sapnap teaching you how to drive*
"Skeppy and Badboyhalo are crossing the street, what do you hit?"
"Skeppy, I would never hurt Bad."
"whA- THE BRAKES YOU HIT THE BREAKS!!"
*Dream wheezing from the back*

Answers

Answer:

yes dream

Explanation:

Answer:

Me: "i would just hit you, sapnap. In the freaking face" LOL

The entire population of a given community is examined, and all who are judged to be free from bowel cancer are questioned extensively about their diets. These people then are followed for several years to see whether their eating habits will predict their risk of developing bowel cancer. Which of the following study designs most appropriately characterizes this situation?
A. Cross-sectional study.
B. Case-control study.
C. Prospective cohort study.
D. Historical prospective cohort study.
E. Clinical trial.
F. Community trial.

Answers

Answer:

C) Prospective Cohort study

Explanation:

prospective cohort study can be regarded as longitudinal cohort study that comes up with periods of time when group of individuals that are different in terms of some factors that are undergoing some study, so that how theses factors influence rates of some particular outcomes can be known.

who is the strongest avenger i say hulk but who knows at this point

Answers

Answer:

or is the strongest evenger she hulk

Explanation:

?????????

Answer:

Thor!

Explanation:

In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the  "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.

Many solderless connectors are color coded for the size of wire they are designd to work with. WHat size is indicated by the color blue?

Answers

Blue insulated connectors used for joining 1.1mm² – 2.5mm² cable sizes.

Green or green with a yellow stripe serves as the protective ground. The neutral wire is white, the hot single phase wires are black, and the second active wire is red. Red, black, and blue three-phase lines.

What is solderless connectors?

Solderless connections are ideal when high reliability is not required. Such as components that must be unplugged or replaced on a regular basis or that you anticipate changing in the near future.

Connector tension A solderless device is one that makes a mechanical connection between two or more conductors or between one or more conductors and a terminal without the use of solder.

Solderless strip connectors are used to connect LED strip lights without using solder. They work by inserting the strip into the connectors below. The strip's contact pads slide beneath the connector's contact prongs, completing the electrical circuit.

Strip connectors without soldering do not form a permanent electrical connection with the strip light. While the clasp's teeth do an adequate job of holding the strip in place, movement is still possible - and if there is a lot of it, the contact pads are likely to move away from the contact prongs and lose connection.

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For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution is M, which is approximately by mass sodium hydroxide. What volume of this solution would be needed to prepare L of M solution

Answers

Sodium hydroxide, NaOH, is a very useful compound in the chemical industry. Sodium hydroxide is used to make soap, detergent, paper, and many other products. It is also used to clean drains, dissolve grease, and other materials.

For commercial convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution is M, which is approximately by mass sodium hydroxide.

To prepare L of M solution, we must first find the number of moles of NaOH that will be required.

Then we will find the volume of the saturated solution that is required to make this solution.
To find the number of moles of NaOH that will be required, we will use the formula:

\(N = C x V\)Where, N = number of moles of NaOH, C = concentration of the solution, and V = volume of the solution.

In this case, C = M, which is the concentration of the solution that we want to make. And V = L, which is the volume of the solution that we want to make.

So,

\(N = M x LV = N / MC = 40% = 40 / 100 = 0.4 M\)

Volume of the saturated solution required to prepare the M solution:

\(V = N / MV = 4.69 L\)

We will require approximately \(4.69 L\)of the saturated solution to prepare L of M solution.

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list and describe at least 5 algorithmic paradigms that can be used to solve problems.

Answers

Greedy Algorithms: Greedy algorithms make locally optimal choices at each step to reach an overall optimal solution. They focus on immediate gains without considering the global picture, which may or may not lead to the best solution.

Divide and Conquer: This paradigm involves breaking a problem into smaller subproblems, solving them recursively, and combining the results to obtain the final solution. It is based on the principle of "divide, conquer, and combine."

Dynamic Programming: Dynamic programming solves complex problems by breaking them into overlapping subproblems and solving them in a bottom-up manner, storing the results in a table or memoization. This technique avoids redundant computations and improves efficiency.

Backtracking: Backtracking explores all possible solutions by incrementally building candidates and undoing the choices that lead to dead ends. It is particularly useful for problems with constraints or when an exhaustive search is required.

Genetic Algorithms: Inspired by biological evolution, genetic algorithms use techniques like selection, mutation, and crossover to find optimal solutions. They maintain a population of potential solutions and iteratively evolve them to improve fitness and converge towards the optimal solution.

These are just a few algorithmic paradigms, and there are many more, including linear programming, branch and bound, randomization, and more. Each paradigm has its own strengths and weaknesses, making them suitable for different problem types and scenarios. Choosing the right algorithmic paradigm depends on the specific problem at hand and the desired trade-offs between efficiency, optimality, and complexity.

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according to moore's law, if a chip (ic) can contain 10,000 transistors in a given year, about how many transistors can a chip contain 10 years later?

Answers

The values of ni span many orders of magnitude because the data span 40 years, and it is convenient to apply Moore's Law to its logarithm because it has a linear relationship.

The pace of increase is a little less definite in the long run, but there is no reason to think it won't be practically constant for at least 10 years. According to Moore, device complexity (greater circuit density at lower cost) and time have a log-linear relationship. Moore's law has moved from a general development of chips to a matter of performance enhancement through specialization, even while transistor sizes are being decreased in slower cycles (the 2nm barrier will be reached in 2025).

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4.
Describe the correct use of any equipment used to protect the health and safety of themselves and
their colleagues

Answers

Items such as gloves, safety goggles, shoes, earplugs, respirators, hard hats, coveralls, vests, and full body suits are examples of personal protection equipment.

What equipment is used for safety and protection?

Wearing a safety helmet when using a power tool, donning the proper protective clothing when working with chemicals, and taking all necessary safety precautions when operating machinery are all examples of how to use equipment correctly to safeguard their own health and the health and safety of their coworkers.

Healthcare Facilities Using PPE Gloves shield the hands; gowns or aprons shield the skin or clothing; masks and respirators shield the mouth and nose; goggles shield the eyes; and face shields shield the full face. consisting of goggles, gloves, gowns, shoe covers, head coverings, masks, and respiratory equipment.

PPE, or personal protective equipment, is gear that shields users from harm to their health or the danger of accidents. It may consist of equipment like safety harnesses, gloves, eye protection, high-visibility clothes, safety footwear, and respiratory protective equipment (RPE).

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what part of the tire connects the shoulder to the bead?

Answers

The part of the tire that connects the shoulder to the bead is known as the sidewall.Tires are the rubber casings that enclose the rims of wheels on a vehicle. The role of the tire is to provide grip on the road and to support the weight of the vehicle.

Tires have a number of components, including the tread, the shoulder, the bead, and the sidewall.The shoulder is the area of the tire that connects the tread to the sidewall. It is located at the outer edge of the tread, and is responsible for maintaining the tire's grip on the road during cornering maneuvers. The shoulder is typically a more rigid part of the tire, and is designed to resist deformation during cornering forces.The bead is the part of the tire that interfaces with the rim of the wheel.It is responsible for holding the tire in place on the wheel, and ensuring that the tire maintains its shape during use. The bead is made of high-strength materials, and is designed to withstand high forces and pressures.The sidewall is the part of the tire that connects the shoulder to the bead. It is the vertical part of the tire that provides structural support for the tire. The sidewall is responsible for absorbing impacts and providing stability to the tire. It also provides information about the tire, including the size, load capacity, and speed rating.

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When the same type of arc is used in more than one place, what note is included with the dimension?

Answers

Answer:

Numerals

Dimensions

Extension Lines

Arrowheads

Dimension Figures

Isometric Dimensioning

Orthographic Dimensioning

If a drawing is to be complete, so that the object represented by the drawing can be made as intended by the designer, it must tell two complete stories. It tells this with views, which describe the shape of the object, and with dimensions and notes, which give sizes and other information needed to make the object.

Therefore, your next step is to learn the basics of dimensioning. In that way, you will understand not only how to interpret a drawing to get the information you need, but also how to dimension your sketches so that they can be used to communicate size information to others.

Numerals

It may seem a bit basic, but a few exercises with the shapes of numbers come before dimensioning. The reason for such a review is simply that incorrectly or carelessly made numbers on a drawing or sketch can easily be misinterpreted by someone on the job. That can be costly.

Therefore, the study of numbers forms is justified.

The number forms presented here have been determined to be the most legible, and are used by industry nationwide. The United States standardized 1/8” vertical

Explanation:

It is best to organize dimensions for easy reading. The drawing should have constant distances between dimension lines. If clarity cannot be achieved, avoid dimensioning inside objects or having the dimension line touch them.

What different notes in the dimension?

There are two categories of dimensions: size dimensions and location dimensions.

The measures for the size of features and objects are provided by size dimensions. To locate features and objects, location dimensions are utilized. Drawings may also contain notes.

A measurement is referred to as a Size Dimension if it represents an object's size. A measurement is referred to as a Location Dimension if it represents an object's location.

This method is known as the Unidirectional Method if the dimension is written in the same direction throughout the entire drawing.

Therefore, When the same type of arc is used in more than one place,  numerals  note is included with the dimension.

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A rigid triangular frame is pivoted at C and held by two identical horizontal wires at points A and B (see figure). Each wire has axial rigidity EA = 120 k and coefficient of thermal expansion (a) If a vertical load P = 500 lb acts at point D, what are the tensile forces TA and TB in the wires at A and B, respectively?
(b) If, while the load P is acting, both wires have their temperatures raised by 180°F, what are the forces TA and TB?
(c) What further increase in temperature will cause the wire at B to become slack?

Answers

We must first ascertain the responses at point C as a result of the applied load P. As a result of the frame being in equilibrium, all forces operating on it must be zero in total. Hence, we have

What is the initial prerequisite for equilibrium issues with answers?

Equilibrium, which is characterised as motion without linear or rotational acceleration, requires the fulfilment of two requirements. The net external force acting on the system must be zero in order for equilibrium to occur, or net F to equal 0.

TAcos(30°) + TBcos(30°) = 0 when Fx = 0. (1)

TAsin(30°) + TBsin(30°) - 500 = 0 when Fy = 0. (2)

ΔL = αLΔT (3) (3)

Assuming that the temperature change is T = 50°C and that the wires are originally at room temperature (20°C), we have:

ΔL = αLΔT = 1210⁻⁶ ×L ×50 = 610⁻⁴ ×L (4)

Δθ = ΔL / r (5) (5)

We may calculate r using the geometry of the frame as follows: r = 2/3 ×L ×sin(30°) = 0.577×L (6)

Equation (5) is obtained by substituting equations (4) and (6).

Δθ = (6/10000) ×L² (7) (7)

TA = -TB(8), -TBsin(30°), + TBsin(30°), -500 = 0.

We can calculate TB as follows: TB = 500 / sin(30°) = 1000 lb (9)

Δθ = (6/10000) ×L² = (6/10000) ×(2/3 ×r / sin(30°)) 2 TA = EA ×/ L = EA ×(6/10000 ×r / sin(30°) × 2/3 × EA × ² / L

We derive the following by substituting the values of EA,, L, r, and T:

TA = 120 x 10 x 6 x 10 000 x 2 / 3 x 0.577 x L / sin(30°)

² / L ΔTA = 5.247 lb

Hence, TA = TB + TA = 1000 + is the tensile force in wire A.

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Which reference source may be consulted to answer questions regarding the Professional Engineers Act?
(a) The Business and Professions Code
(b) The California Code of Regulations
(c) The Professional Engineers Act and Board Rules
(d) All of the above

Answers

The reference source that can be consulted is C. The Professional Engineers Act and Board Rules

The reference source that may be consulted to answer questions regarding the Professional Engineers Act is the Professional Engineers Act and Board Rules.

The Professional Engineers Act and Board Rules is an Act that was established in order to regulate the qualifications for professional engineers, register them and also make sure that their conducts and behavior are looked into.

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for an unlined open channel cross section with a width of 12 ft, a depth of 3 ft, and side slopes of 4:1 (h:v), find the flow rate assuming a slope of 0.001 ft/ft and an earthen surface with short grass and a few weeds. use manning's roughness modifier.pdf uploaded in bb to determine roughness coefficient.

Answers

Please refer to the uploaded Manning's roughness modifier PDF file to determine the appropriate roughness coefficient (n) for the given conditions and use it in the Manning's equation to calculate the flow rate (Q).

To determine the flow rate in the unlined open channel, we can use Manning's equation:

Q = (1.49 / n) * A * R^(2/3) * S^(1/2)

where:

Q is the flow rate,

n is the Manning's roughness coefficient,

A is the cross-sectional area of flow,

R is the hydraulic radius, and

S is the slope of the channel.

Given:

Width (B) = 12 ft

Depth (y) = 3 ft

Side slopes (h:v) = 4:1

Slope (S) = 0.001 ft/ft

First, let's calculate the cross-sectional area of flow (A):

A = B * y + (h * y^2) / 2

= 12 ft * 3 ft + (4 * 3 ft^2) / 2

= 36 ft^2 + 18 ft^2

= 54 ft^2

Next, let's calculate the hydraulic radius (R):

R = A / P

= A / (B + 2y)

= 54 ft^2 / (12 ft + 2 * 3 ft)

= 54 ft^2 / 18 ft

= 3 ft

Now, we need to determine the Manning's roughness coefficient (n) using the provided Manning's roughness modifier table (PDF file). Please refer to the uploaded file to find the appropriate roughness coefficient for the given conditions.

Assuming you have the Manning's roughness coefficient (n), substitute all the values into Manning's equation to find the flow rate (Q).

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What is the only solution of 2x² 8x X² 16?

Answers

The only solution of the equaiton 2x² + 8x = x² - 16 is -4.

Step by step solution of the given equation is as follows:

The equation is 2x² + 8x = x² - 16

Rewriting the equation

          2x²  - x² + 8x + 16 = o

This gives  

         x² + 8x + 16 = o

Now this quadratic equation can be written as

         x²+ 4x + 4x + 16 = o

         x (x + 4) + 4 (x + 4) = o

         (x + 4) (x + 4) = o

         x + 4 = o    &      x + 4 = o

And Finally,

           x  = - 4         &      x = - 4

Hence, it is concluded that the only solution to the equation  2x² + 8x = x² - 16 is -4.

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If a circuit produces a phase shift of 45 degrees between the voltage and current curves and the apparent power is 100 VA, what is the TRUE power in the circuit?


50 W


70.7 VA


70.7 W


100 A

Answers

The true power is obtained as 70.7 VA.

What is the true power?

We define the power a the rate of doing work, we know that the power in a circuit is the product of the current and the voltage. In this case, we want to find the true power thus we have to involve the use of the phase shift in degrees.

Thus;

True power = PcosΦ

P =  100 VA

Φ = 45 degrees

True power =  100 VA * cos 45 degrees

True power = 70.7 VA

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A salvage part is considered aftermarket? true or false

Answers

True
Please give Brainliest.

Water that has evaporated returns to earth as

Answers

Answer:

rain

Explanation:

evaoration causes clouds

clouds condense and rain

Answer:

rain

Explanation:

2.2.2 Make a list of the electronic components that could be used in making this product (energy saving switch). ​

Answers

The electronic components that could be used in making of energy saving switch are:​

Transistors semiconductor devices CapacitorsCoils (inductors)

Which electronic component is used as a switch?

Transistors as  well as other kinds of semiconductor devices are known to be tools or element that can be used in the making of switches. In its use or applications.

Note that the base or gate of a transistor, based  on the kind of transistor that is known to be in use, and it is one that is often employed as a form of control element to be able to switch on as well as switch off the current that often exist between the emitter as well as the collector or the source and that of the drain.

Note also that the electronic components that are able to  store energy in regards to electronic devices, are known to be capacitors and coils (inductors) and they often play a key function of temporarily saving  energy. One key role of a capacitor is to save an electric charge.

Therefore, The electronic components that could be used in making of energy saving switch are:​

Transistors semiconductor devices CapacitorsCoils (inductors)

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There are 2 white and 5blacks balls in urn I, 4white and 3black in urn II; 5white and 4 black in urn III. The first urn is selected with probability 4, the second urn is selected with probability .4. A ball drawn at random from selected urn is found to be black. Find the probability that urn III was selected. (2,5), (4,3) (5, 4).

Answers

Given thatThere are 2 white and 5 blacks balls in urn I,4 white and 3 black in urn II5 white and 4 black in urn IIIProbability of selecting urn I = 4Probability of selecting urn II = 0.4Probability of selecting urn III = 0.6Let A be the event of selecting urn III, B be the event of selecting a black ball.

Then the required probability can be given as;P(A|B) = P(A and B)/P(B)Now, P(A and B) can be calculated as follows;P(A and B) = P(B|A)P(A)P(B|A) can be calculated as follows;In urn III, Probability of drawing a black ball = 4/9P(B|A) = 4/9Probability of selecting urn III = 0.6P(A) = 0.6P(A and B) = 0.6*4/9 = 0.2667Probability of drawing a black ball can be calculated as follows;In urn I, Probability of drawing a black ball = 5/7In urn II, Probability of drawing a black ball = 3/7In urn III, Probability of drawing a black ball = 4/9

Probability of drawing a black ball = probability of selecting urn I and drawing a black ball from urn I + probability of selecting urn II and drawing a black ball from urn II + probability of selecting urn III and drawing a black ball from urn III.P(B) = P(selecting urn I) P(drawing a black ball from urn I) + P(selecting urn II) P(drawing a black ball from urn II) + P(selecting urn III) P(drawing a black ball from urn III)P(B) = 4/10 * 5/7 + 0.4 * 3/7 + 0.6 * 4/9P(B) = 1.1429Therefore, the probability that urn III.

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Significance of a research report

Answers

Explanation:

A research report is a well-crafted document that outlines the processes, data, and findings of a systematic investigation. It is an important document that serves as a first-hand account of the research process, and it is typically considered an objective and accurate source of information.

(1) to build knowledge and facilitate efficient learning, (2) to understand various issues, (3) to know the truth and prove lies, and (4) to seek opportunities among others

In poor weather you should___ your following distance

Answers

The answer is increase

6.
A mobile welding machine of mass 80 kg was rolling freely on a horizontal surface
at speed of 5 m/s when locks to its castor wheels are applied, causing all four wheels
to stop rotating. The machine skidded a distance s-4 m before coming to rest.
Determine
the magnitude of normal reaction of each wheel
(b) the coefficient of kinetic friction between the wheels and the ground.



Answers

The magnitude of reaction for the wheel is 250 N. The coefficient of kinetic energy between the wheel and ground is 0.32.

What is friction?

The friction is given as the stop force acted by the surface to the moving object.

For the calculation of magnitude of normal reaction:

\(v^2=u^2+2as\)

Substituting the values of the initial velocity (u), final velocity (v) and the distance (s) at the contactless surface, the acceleration is given as:

\(0=(5)^2+2a\;\times\;4\\a=3.125\;\rm m/s^2\)

The force can be given as:

\(F=ma\\F=80\;\text{kg}\;\times\;3.125\; \rm {m/s^2}\\\textit F=250\;N\)

The magnitude of reaction for the wheel is 250 N.

The coefficient of friction (\(\mu_k\)) is given as:

\(\mu_kmgs=\dfrac{1}{2}mv^2\\\)

Substituting the values:

\(\mu_k\;\times\;80\;\times\;9.8\;\times\;4=\dfrac{1}{2}\;\times\;80\;\times\;5^2\\\mu_k=\dfrac{5^2}{2\;\times\;9.8\;\times\;4}\\\mu_k=0.32\)

The coefficient of kinetic energy between the wheel and ground is 0.32.

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URGENT NEED HELP BY AN HOUR
C++ ONLY

Given a line of text as input: (1) output the number of characters excluding the three characters commonly used for end-of-sentence punctuation( period, exclamation point, and question mark), (2) then output the number of end-of-sentence punctuation characters that were found. You can just do (1) to pass the first few test cases for partial credit, then do (2) for full credit.

Ex: If the input is "Listen, Sam! Calm down. Please.", the output is:

28
3
Ex: If the input is "What time is it? Time to get a watch! O.K., bye now.", the output is:

43
5

Answers

Using the knowledge in computational language in python it is possible to write a code that output the number of characters excluding the three characters commonly used for end-of-sentence punctuation.

Writting the code:

   import re

   def check_sentence(text):

     result = re.search(r"^[A-Z][A-Za-z\s]*[\.\?!]$", text)

     return result != None

   print(check_sentence("Is this is a sentence?")) # True

   print(check_sentence("is this is a sentence?")) # False

   print(check_sentence("Hello")) # False

   print(check_sentence("1-2-3-GO!")) # False

   print(check_sentence("A star is born.")) # True

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URGENT NEED HELP BY AN HOURC++ ONLYGiven a line of text as input: (1) output the number of characters
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