10)
The weight of an object can be described as the pull, or force, of gravity on it. This force is given by the mass of the
object times the acceleration due to gravity, F=mg. The acceleration due to gravity, g, is a constant with a value of
9.81 m/s?. Calculate the weight due to gravity in Newtons of an object that is 4.69 lbs.
A)
0.217 N
B)
11.5 N
20.9 N
Х
D)
46.0 N

Answers

Answer 1

Answer:

The answer is 46.0089 N of weight

Explanation:

The answer is in the question

F=mg

reverse the question, mg=F

Plug in the values of mass (4.69) and gravity (9.81)

4.69(9.81)=F

F = 46.0089 (or D)


Related Questions

Calculate momentum- what is the momentum of the wooden ball after the collision?

Calculate momentum- what is the momentum of the wooden ball after the collision?

Answers

Answer:

-32

Explanation:

how do i mark some one as the brainlyst?

Answers

There should be an option once two people answer the question

You'll See After You Have an Answer!

Explanation:

For instance, on my answer, you'll see a button presenting the words "Mark Brainliest"

Why does bromine have different colors?

Answers

Answer:

It is the third-lightest halogen, and is a fuming red-brownliquid at room temperature that evaporates readily to form a similarly coloured gas. Its properties are thus intermediate between those of chlorine and iodine. .

It takes 8. 0 seconds for 12 coulombs of charge to flow through a wire. How much current is flowing through it? 0. 67 a 1. 5 a 4. 0 a.

Answers

Current = charge/time = 12C/8s = 1.5 Ampere.

if I sleep at 12:30 AM and wake at 4:30 AM will I be able to remember things I studied? this coming Saturday i have a science exam and I'm super back it will take a lot of time so that's why if i sleep this time will be able to sleep well and remember? if not can u tell me a sufficient time I have to go to school at 6 o clock and I needa revision before going to school for all 3 subjects bio, phy and chem

Answers

i think sleeping at 12am would be better!

A car moving on a straight level road changes its speed from Find its acceleration . (3 pts ) 3.5 m/s to 4.5 m/s in 5.00 seconds .

Answers

Answer:

The answer is in my picture.

Explanation:

I hope you have a nice day and please mark me bye(:

A car moving on a straight level road changes its speed from Find its acceleration . (3 pts ) 3.5 m/s

A moving object is in equilibrium. Which best describes the motion of the object if no forces change?
O It will change directions.
O It will slow down and stop.
O It will maintain its state of motion.
O It will speed up and then slow down.

Answers

Answer:

It will maintain its state of motion

Explanation:

The object would maintain its state of motion.

What does it mean when an object is in equilibrium?

If the size and direction of the forces acting on an object are exactly balanced, then there is no net force acting on the object and the object is said to be in equilibrium.

What does equilibrium mean in physics?

Equilibrium, in physics, the condition of a system when neither its state of motion nor its internal energy state tends to change with time.

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A hair dryer has a power rating of 1,265 W at 220 V rms. Assume the hair dryer circuit contains only resistance. (a) What is the resistance of the heating element? (b) What is the rms current drawn by the hair dryer? (c) What is the maximum instantaneous power that the resistance must withstand?

Answers

A hair dryer has a power rating of 1,265 W at 220 V rms. The resistance of the heating element is 0.0261 ohm, the rms value of current is 4.078 A and maximum instantaneous power will be 632.5 W.

Given,

Power of the hair dryer, P = 1265 W

and Voltage, V = 220 V

The current in the hair dryer, I = P/V (from P=V×I)

I = 1265/220

= 5.75 Amp

The resistance (R) of the heating element can be calculated as;

P= \(V^{2}\)/R

1265= \(220^{2}\)/R

R=1265/\(220^{2}\)

=0.0261 Ohm

(b) The rms value of current, \(I_{rms}\) = I/\(\sqrt{2}\)

= 5.75/\(\sqrt{2}\)

=4.078 A

(c) Maximum instantaneous power that the resistance withstand can be calculated as;

P(t) = (VI)/2

=(220×5.75)/2

=632.5 W

Hence, the resistance of the heating element is 0.0261 ohm, the rms value of current is 4.078 A and maximum instantaneous power will be 632.5 W.

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best explanation for why oceans have 2 different types of currents

Answers

Answer:

Hunubunununununununnunu

Bus’s weight = 29,000 N. What is the external input force F1 if A2 = 3800 cm2 and A1= 100 cm2?

Answers

The weight of the bus is 29,000 N and if A2 = 3800 \(cm^{2}\) and A1= 100 \(cm^{2}\)  and 763.16 N is the external input force (F1)

To determine the external input force (F1), we can use Pascal's principle, which states that when a pressure change occurs in an enclosed fluid, the change is transmitted undiminished to all portions of the fluid and to the walls of its container.

In this case, we have two different areas, A1 and A2, and the force acting on each area is related by the equation:

F1/A1 = F2/A2

Where F1 is the external input force, A1 is the area on which the force is applied, F2 is the force acting on the other area, and A2 is the corresponding area.

Given that A2 = 3800 cm² and A1 = 100 cm², we can rearrange the equation to solve for F1:

F1 = (F2 * A1) / A2

To calculate F2, we need to consider the weight of the bus, which is given as 29,000 N. The weight of an object is equal to the force acting on it due to gravity.

F2 = 29,000 N

Substituting the values into the equation, we have:

F1 = (29,000 N * 100 cm²) / 3800 cm²

Simplifying the equation, we get:

F1 = 763.16 N

Therefore, the external input force (F1) is approximately 763.16 N.

It's important to note that the calculation assumes an idealized scenario where there are no losses due to friction or other factors. In real-world situations, additional forces or considerations may come into play, and it's essential to account for them accordingly.

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Which point on the standing wave will not move?

Which point on the standing wave will not move?

Answers

Answer:

B

Explanation:

A P E X

if the mass of object is 135 kg then its weight on earth will be?​

Answers

Answer:

1323

Explanation:

we know ,

weight = m*g

= 135 * 9.8 ( acceleration due to gravity in earth is 9.8 m/S2)

= 1323 N

A boat has a mass of 54,000 kg. The boat is accelerating at 0.4 m/s2. What is the net force acting on the boat?'

Answers

Answer:

21.6 kN

Explanation:

F = m * a

F = 54 000 * .4  = 21600 N

Answer:54,000 N

Explanation:

Two small speakers, 0.695 m apart, are facing in the same direction. They are driven by one 668 Hz oscillator and therefore emit identical sound waves in phase with one another at the respective points of origin. (The speed of sound waves in air is 343 m/s.)

(a) A sound engineer wishes to stand in front of one of the speakers, at the closest point (i.e., smallest x-value) where intensity is at a relative maximum. At what distance x from the nearest speaker should he position himself? (Enter your answer in m.)

(b) The sound engineer now wishes to stand at the closest point along that line where intensity is at a relative minimum. At what distance x should he position himself now? (Enter your answer in m.)

Answers

A) The distance x from the nearest speaker when intensity is at maximum  ; 0.4272 m

B) The distance x from the nearest speaker when intensity is at minimum ; 0.8123 m

Given data :

Distance between speakers ( d ) = 0.695 m

Frequency of oscillator = 668 Hz

Speed of sound waves in air ( v ) = 343 m/s

A) Determine the distance x from the nearest speaker when he stands where intensity is at maximum

Given that

λ = v / f

  = 343 / 668

  = 0.5135

Also

Δx = \(\sqrt{d^2+x^2} - x\)

Δx = λ  for maximum intensity

λ  = \(\sqrt{d^2+x^2} - x\)

x = ( d² - λ² ) / λ

  = ( 0.695² - 0.5135² ) / 0.5135

  = 0.4272 m

B) Determine the distance x from the nearest speaker when he stands where intensity is at minimum

Given that

λ = v / f

  = 343 / 668

  = 0.5135

Also

Δx = S₁P - S₂P

Δx = \(\sqrt{d^2+x^2} - x\)

since the intensity is minimum

Δx = λ/2

Therefore

λ/2  = \(\sqrt{d^2+x^2} - x\)

x = ( d² - λ²/4 ) / λ

  = ( 0.695² - 0.5135² / 4 ) /  0.5135

  = ( 0.695² - 0.0659 ) / 0.5135

  = 0.4171 / 0.5135 = 0.8123 m

Hence we can conclude that The distance x from the nearest speaker when intensity is at maximum  ; 0.4272 m  and The distance x from the nearest speaker when intensity is at minimum ; 0.8123 m.

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A light bulb is connected to an ideal battery, so that the light bulb is lit. What can we say about the voltage across the two?.

Answers

It’s a steady power going threw and it would be high voltage if it’s connected straight to the battery depending on the battery

Based on the fact that the light bulb is the only component then we can say that the voltage across the two components is the same.

Why are the voltages the same?

The described circuit is a series circuit as there is only one component connected to the battery.

In a series circuit, the sum of the voltages of the different components is equal to the voltage of the source.

In this case, the only component is the light bulb so it will have the same voltage as the source (battery).

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Energy BalanceTo check if the ANSYS solution satisfies total energy balance, add a Reaction Probe for the left boundary. Make sure to set the thickness to 1m. The thickness is necessary to convert from heat flux to heat flow as discussed in the 2D Conduction module.What is the reaction at the left boundary (in W)? Please input your answer in decimal notation (e.g. 18.65).This reaction value implies that the energy balance for the entire domain is satisfied exactly as discussed under Big Ideas: Finite Element Analysis > Finite Element Solution > Reaction. But we saw that this does not imply that energy balance is satisifed for each element.

Answers

This value will be a decimal number like 18.65 W.

This reaction value implies that the energy balance for the entire domain is satisfied exactly, as discussed under Big Ideas: Finite Element Analysis > Finite Element Solution > Reaction.

To check the energy balance in ANSYS and find the reaction at the left boundary, follow these steps:
Open the ANSYS solution for your problem.
Add a Reaction Probe by selecting "Insert" in the menu, then choose "Probe" and select "Reaction".
In the Details view, set the location to the left boundary of your domain.
Set the thickness to 1m (this converts heat flux to heat flow, as discussed in the 2D Conduction module).
Click on "Update" or "Evaluate All Results" to calculate the reaction at the left boundary.
Now, you should see the reaction value in the Results section, expressed in Watts (W).

This value will be a decimal number like 18.65.

This reaction value implies that the energy balance for the entire domain is satisfied exactly, as discussed under Big Ideas: Finite Element Analysis > Finite Element Solution > Reaction.

However, keep in mind that this does not imply that energy balance is satisfied for each individual element.

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how do I find average distance with the numbers below:
MAIN: 92.2g
255cm,242 cm,245cm

for science help pls

Answers

Answer:

To find the average distance of the numbers you provided (255cm, 242cm, 245cm), you can add all the numbers together and divide by the number of numbers in the set.

In this case, you would add 255cm + 242cm + 245cm = 742cm, and then divide by 3 (the number of numbers in the set) to get an average distance of 244cm.

You can also use this formula: (255 +242 + 245) /3 = 244

You hold an object up with a spring scale and it reads 5N.
What is the mass of the object?

Answers

Answer:

balance

Explanation:

GUYS COULD SOMEONE PLEASE HELP ME?
PLEASE ASAP

Write a summary of how the eye works:

Answers

Answer:

Eye function renders you the sense of sight. They convert light into electrical signals. Afterwards, the brain deciphers these electrical signals into images. Properly working healthy eyes are able to perform the following functions.

Explanation:

A reheat Rankine cycle operates with water as the working fluid. Steam enters the first turbine at 8 MPa and 450°C and exits at 0.8 MPa. It is then reheated to 400°C before entering the second turbine, where it exits at 10 kPa. If the amount of work into the pump is 8.04 kJ/kg and the net work per cycle produced is 1410.25 kJ/kg, determine the thermal efficiency of the cycle

Answers

Answer:

The thermal efficiency, \(\eta _{reheat}\), of the Rankine cycle with reheat is 36.81%

Explanation:

p₁ = 8 MPa = 80 Bars

T₁ = 450°C = 723.15 K

From steam tables, we have;

v₁ = 0.0381970 m³/kg

h₁ = 3273.23 kJ/kg

s₁ = 6.5577 kJ/(kg·K) = s₂

The p₂ = 0.8 MPa

T₂ = Saturation temperature at 0.8 MPa = 170.414°C = 443.564 K

h₂ = 2768.30 kJ/kg

\(T_{2'}\) = 400°C = 673.15 K

\(h_{2'}\) = at 400°C and 0.8 MPa = 3480.6 kJ/kg

p₃ = 10 kPa = 0.1 Bar

T₃ = Saturation temperature at 10 kPa = 45.805 °C = 318.955 K

h₃ = 2583.89 kJ/kg

h₄ = \(h_{3f}\) = 191.812 kJ/kg

The thermal efficiency, \(\eta _{reheat}\), of a Rankine cycle with reheat is given as follows;

\(\eta _{reheat} = \dfrac{\left (h_{1}-h_{2} \right )+\left (h_{2'}-h_{3} \right )-W_{p}}{h_{1}-\left (h_{4}+W_{p} \right )+\left (h_{2'}-h_{2} \right )}\)

Therefore, we have;

\(\eta _{reheat} = \dfrac{(3273.23 -2768.30 ) + (3480.6 -2583.89 ) - 8.04)}{(3273.23 -(191.812 + 8.04) + (3480.6 -2768.30 ) } = 0.3681\)

Which in percentage is 36.81%.

if the surface tension of water is 0.0728jm2, what is the capillary rise (in meters) in a glass tube that is 1.0 mm in radius?

Answers

The capillary rise in a glass tube that is 1.0 mm in radius when the surface tension of water is 0.0728 jm2 can be calculated as follows:Capillary rise=2Tcosθ/ρgrWhere, T is the surface tension of water, θ is the contact angle between the water and the glass tube, ρ is the density of water, and g is the acceleration due to gravity.

Since the glass tube is in contact with the water, the contact angle is 0°, and cos 0° is equal to 1.0.Substituting the given values, Capillary rise=2 x 0.0728 x 1/1000 x 1/9.8 = 0.000148 mTherefore, the capillary rise in a glass tube that is 1.0 mm in radius when the surface tension of water is 0.0728 jm2 is 0.000148 m. The capillary rise is the height that a liquid rises in a small diameter tube when in contact with a solid surface due to the combination of adhesive and cohesive forces. Capillary action occurs when the cohesive forces of the liquid are greater than the adhesive forces between the liquid and the tube's walls.

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Explain Thomsons model of an atom


please its aurgent fast​

Answers

Answer:

Thomson's model showed an atom that had a positively charged medium, or space, with negatively charged electrons inside the medium. After its proposal, the model was called a "plum pudding" model because the positive medium was like a pudding, with electrons, or plums, inside.

Derive the relationship between g and G using the relationship calculate the value of g on earth

Answers

Answer:

A

Explanation:

Which type of wave interaction is shown in the diagram?
wave A
MAAAAA
wave B
MAAAA
wave A + B
PAMA
A. Destructive interference
B. Diffraction subtraction
C. Diffraction gradient
D. Constructive interference

Which type of wave interaction is shown in the diagram?wave AMAAAAAwave BMAAAAwave A + BPAMAA. Destructive

Answers

Answer: Constructive interference

Explanation: Just took the test

in a series connection of bulbs,if one bulb fails.why do all other bulbs go off​

Answers

Answer:

Because in series, current flow through a single path only as it is same. Hence,if one fails the entire circuit breaks and other bulbs are switched off.

Explanation:

Which field is this? Explain what's happening.

 Which field is this? Explain what's happening.

Answers

Explanation:

Thead are gravitational poles, red is positive and blue is negative. They are attracting, as you can see from the middle. that's all I know, sorry

An oil tank has a base area of 2.5 square metres and is filled with oil to a depth of 1.2m. the density of oil is 800kg per cubic metre. calculate the mass in kilograms of oil contained in the tank

Answers

The mass of oil contained in the tank is 2400 kilograms.

To calculate the mass of oil contained in the tank, we need to determine the volume of oil first. The volume of the oil can be calculated using the formula:

Volume = Base Area × Height

Given:

Base Area = 2.5 square meters

Height = 1.2 meters

Volume = 2.5 m² × 1.2 m

Volume = 3 cubic meters

Next, we can calculate the mass of the oil using the formula:

Mass = Density × Volume

Given:

Density of oil = 800 kg/m³

Volume = 3 cubic meters

Mass = 800 kg/m³ × 3 m³

Mass = 2400 kilograms

Therefore, the mass of oil contained in the tank is 2400 kilograms.

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which type of electromagnetic waves has highest frequency​

Answers

Answer:

Gamma rays have the highest energies.

Explanation:

HOPE IT WILL HELP ^_^

Answer:

Gamma rays have the highest frequencies.

Explanation:

9. Show that the equation for the gravitational potential energy E
GMm is dimensionally
R
correct given that the units for the gravitational constant G are N.m².kg2, M and m are masses of
interacting objects and R is their separation distance.
- is dimensionally homogeneous.

9. Show that the equation for the gravitational potential energy EGMm is dimensionallyRcorrect given

Answers

The equation of gravitational energy is E = \(\frac{GMm}{R}\) and it is dimensionally correct.

What is Dimension ?

The minimal set of coordinates required to specify any point within a mathematical space is the dimension of that space. As a result, a line has a dimension of one since a point on it may be specified by a single coordinate, such as the point at 5 on a number line.

A unit of measurement is a specific magnitude of a quantity that has been established and recognized by law or convention and is used as a benchmark for measuring other quantities of the same sort. A multiple of the unit of measurement can be used to express any other quantity of that type. A length is an example of a physical quantity.

The formula for Gravitational Energy is

E = \(\frac{GMm}{R}\)

unit of G = N m² kg⁻²

unit of M and m = kg

unit of R = m

Unit of Gravitational Energy = N. m

\(\frac{GMm}{R}\) = \(\frac{Nm\x^{2}*kg\x^{-2} * kg * kg }{m} = N. m\)

The equation of gravitational energy is E = \(\frac{GMm}{R}\) and it is dimensionally correct.

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HELPSSJDIGFDiuea 50 ptss
Suppose you can lift a barrel or roll it up an inclined plane. In which scenario do you do more work?


Both are the same amount of work.


Lifting the barrel is more work.


Rolling the barrel is more work.


Neither do any work.

Answers

Rolling the barrel is more work.

What is work?

Work in physics is the energy that is transferred to or from an item when a force is applied along a displacement. In its simplest form, it equals the product of the force's magnitude and the distance traveled for a constant force directed in the direction of motion.

Work = force x distance. In units, Joules = Newtons x meters.

When a body is lift than angle is right angle so work done is zero as force and displacement is perpendicular while in case of rolling it is at theta angle so work is done in this case.  

Rolling the barrel is more work.

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