given to one significant figure, the current is 2 a. does this value fall within the 2% tolerance range?

Answer:

a tendency to do nothing or to remain unchanged.

Explanation:

Answer:

Inertia: The resistance an object has to a change in its state of motion.

Explanation:

Hope it helps....

Have a great day!!

Scientists use the arrival times of seismic waves at multiple stations, along with amplitude data, to triangulate the location of an earthquake epicenter.

To determine the location of an earthquake, scientists use the data recorded at seismic stations. The seismic stations are equipped with seismometers that detect and record seismic waves generated by the earthquake. These waves travel through the Earth's interior and arrive at different times at various seismic stations.To locate the epicenter of the earthquake, scientists analyze the time differences between the arrivals of primary (P) waves and secondary (S) waves at multiple stations. P waves are faster and arrive first, followed by slower S waves. By comparing the time interval between the arrival of P and S waves at different stations, scientists can calculate the distance of each station from the earthquake epicenter.

Using the distances from at least three seismic stations, scientists plot circles around each station on a map. These circles represent the potential distance between the station and the epicenter. The intersection of the circles determines the most likely location of the earthquake epicenter. This method is known as the "triangulation" technique.Additionally, the amplitude of the recorded seismic waves provides information about the earthquake's magnitude. By analyzing the amplitude data from different stations, scientists can estimate the earthquake's size or magnitude.

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Note- Sorry The diagram cannot be added .

Answer:

0,146 L

Explanation:

Según la ley de Charles; el volumen de una determinada masa de gas es directamente proporcional a su temperatura a presión constante.

A partir de los datos proporcionados;

V1 = 0,2 L

T1 = 100 ° C + 273 = 373 K

V2 =

T2 = 0 ° C + 273 = 273 K

V1 / T1 = V2 / T2

V1T2 = V2T1

V2 = V1T2 / T1

V2 = 0,2 × 273/373

V2 = 0,146 L

Answer:

Femur

Explanation:

The bone to forensically analyze in order to create a height profile of the victims would the femur.

The approximate height of a human can best be estimated by measuring the length of the bone that runs from the hip to the knee, otherwise known as the femur.

For the males, the length of the femur in centimeters is multiplied by 2.32 followed by the addition of 65.53 in order to arrive at the approximate height of the individual. For the females, on the other hand, the length of the femur in centimeters is multiplied by 2.47 followed by the addition of 54.1.

The maximum height of the stone is 125m/s.

What is velocity?

The pace at which an object's position changes in relation to a frame of reference and time is what is meant by velocity.

Although it may appear sophisticated, velocity is just the act of moving quickly in one direction.

Since it is a vector quantity, the definition of velocity requires both magnitude (speed) and direction. Its SI equivalent is the metre per second (ms-1).

A body is considered to be accelerating if the magnitude or direction of its velocity changes.

When gravity first exerts force on an object, its initial velocity defines how quickly the object moves.

The final velocity, on the other hand, is a vector quantity that measures the speed.

Initial Velocity u=50
Final velocity v=0
Height, s=?

By third equation of motion
v²−u²=2gs
=0−(50)²=-2×10×s
=s= 2500/20
s= 125m/s
Hence, the maximum height of the stone is 125m/s.

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Answer:

Explanation:

You didn't post a figure, but I think I get the picture.  

Ff = μN

μ = Ff/N

Ff = force of friction

N = Normal force

N = W = 9.1 N

Static coeff. of friction = μ-s = p₁/N = 2.2 N / 9.1 N = .242

Kinetic coeff. of friction = μ-k = p₂/N = 1.4 N / 9.1 N = 0.154

Find time when it strikes ground.

s = ut + 1/2 at²

We will first calculate the time taken by the ball to reach the highest point by using the formula:

S = ut + 1/2 at²

★ Substituting the values in the above formula,we get:

⇒ -40 = 10 × t + 1/2 × -10 × t²

⇒ -40 = 10t + ( - 5 ) × t²

⇒ -40 = 10t - 5 t²

⇒ 5t² - 10t - 40

⇒ 5t² - 20t + 10t - 40

⇒ 5t ( t - 4 ) + 10 ( t - 4 )

⇒ t - 4 = 0 and 5t + 10 = 0

⇒ t = 4 and t = -2

Thus,time taken is 4 seconds. [ Ignore negative number. ]

Answer:

\(\Huge \boxed{\mathrm{4 \ s}}\)

Explanation:

Displacement ⇒ -40 m (the ball strikes the ground)

Initial velocity ⇒ 10 m/s

Acceleration of gravity ⇒ -10 m/s² (upward acceleration)

We can use a formula to find the time taken.

\(s = ut + 1/2 at^2\)

\(s = \sf displacement \ (m)\)

\(u = \sf initial \ velocity \ (m/s)\)

\(a = \sf acceleration \ of \ gravity \ (m/s^2)\)

\(t = \sf time \ taken \ (s)\)

Plugging in the values.

\(-40 = (10)t + 1/2 (-10)t^2\)

Solve for \(t\).

\(-40 = 10t-5t^2\)

\(5t^2-10t-40=0\)

Factor the quadratic expression.

\(5(t+2)(t-4)=0\)

Set the factors equal to 0.

\(t+2=0\\t=-2\)

\(t-4=0\\t=4\)

t = -2 and t = 4 (time value will not be negative in this case)

The time the ball takes to strike the ground is 4 seconds.

Answer: abdominal muscles.

Explanation:

Answer:

The acceleration of an object can be calculated using Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration. The equation is:

F = ma

where F is the force, m is the mass, and a is the acceleration.

So, if we know the mass of the object (m = 56 kg) and the force acting on it (F = 800 N), we can calculate the acceleration (a) by dividing the force by the mass:

a = F / m

a = 800 N / 56 kg

a = 14.28 m/s^2

So the acceleration is 14.28 m/s^2

Net force = 4 N

Direction is right

Answer: 4N right

Explanation:

Answer: B. Yes; a false hypothesis gives a scientist new information to use.

Explanation:

      Let us take a look and break down all the question's answer options.

✗ A.

Yes; now he knows that the exact opposite of his hypothesis must be true.

➜ This is not the case. He must look at this data and decide what is true.

✓B.

Yes; a false hypothesis gives a scientist new information to use.

➜ Yes! We learn from our research and looking back at our hypothesis.

✗ C.

No; a false hypothesis makes a scientist look silly.

➜ This isn't true. You cannot expect to be right all the time, and scientists make incorrect hypotheses frequently.

✗ D.

No; false hypotheses are a waste of time.

➜ Tying back into B and C, this isn't true. We learn from comparing our hypotheses with our data.

The net torque in the motion's direction must be zero because the box is travelling at a constant speed. Critical probability (p*) Equals 1 - (Alpha / 2), when Alpha is equal to one - (the trust level / 100).

Friction is indeed the force that prevents an object from moving in the direction it is sliding along a surface, therefore it moves in the opposite direction. Yet, an object need not be moving in order to feel friction.

Walking - When we walk just on ground or a surface, our feet are kept firmly planted by the frictional force. We frequently slip on icy or slippery surfaces because there is less friction present.

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To calculate the theoretical maximum real power that this line can deliver and compare it with the thermal limit, we need to determine the ampacity of the ACSR 1113-kcmil conductor and compare it with the line's thermal limit. Remember to refer to engineering tables or electrical standards for accurate ampacity values.

The theoretical maximum real power that a line can deliver depends on several factors, including the conductor size, configuration, and operating conditions. In this case, we are given that the line in problem 5.14 has two ACSR 1113-kcmil conductors (bundled) per phase.

To calculate the theoretical maximum real power, we need to consider the conductor's ampacity and the line's thermal limit.
First, let's determine the ampacity of the conductor. ACSR stands for Aluminum Conductor Steel Reinforced, which is a type of overhead transmission line conductor. The number "1113-kcmil" refers to the size of the conductor, indicating that it has a cross-sectional area of 1113 thousand circular mils. The ampacity of a conductor depends on various factors such as the material, insulation, and installation conditions. Without specific data, we cannot determine the exact ampacity of the ACSR 1113-kcmil conductor. However, you can refer to engineering tables or consult electrical standards to find the ampacity based on the specific installation conditions.
Once we know the ampacity, we can compare it with the thermal limit of the line. The thermal limit represents the maximum continuous current that the line can carry without exceeding its temperature rating. If the current exceeds the thermal limit, it can lead to excessive heating and potential damage to the line. By comparing the ampacity of the conductor with the thermal limit, we can determine if the line is operating within a safe range.

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The ball's potential energy is completely changed into its kinetic energy (E k), which is equal to 250 J, when it hits the ground.

If v is the speed the ball was traveling at when it hit the ground, then

E(k) = 1 /2 mv^2

V= √2Ek/m

V= √2*250/ 2

V= 15.81 m/s

potential energy, which is a form of stored energy that depends on the relative positions of different components in a system. When a spring is compressed or stretched, its potential energy increases. If a steel ball is raised above the ground as opposed to falling to the ground, it has more potential energy.

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a) The power available at the driving wheels is determined by multiplying the power produced by the engine (90 kW) by the overall efficiency of the transmission (90%), resulting in approximately 81 kW.

b) The maximum possible acceleration at this speed is calculated using Newton's second law of motion. By subtracting the resistive force (1856 N) from the tractive force and dividing by the car's mass (1200 kg), we find an acceleration of approximately 4.16 m/s². This indicates the car's ability to increase its speed at this particular velocity.

a) To calculate the power available at the driving wheels, we need to consider the overall efficiency of the transmission. The power available at the wheels is given by the equation: Power available = Power produced by the engine × Overall efficiency. Substituting the values, Power available = 90 kW × 0.9 = 81 kW.

b) To calculate the maximum possible acceleration at this speed, we can use Newton's second law of motion. The net force acting on the car is given by the equation: Net force = Tractive force - Resistive force. Rearranging the equation, we have: Tractive force = Net force + Resistive force. Using the mass of the car and the given resistive force, we can calculate the tractive force. Then, we can calculate the maximum possible acceleration using the equation: Acceleration = Tractive force / Mass. Substituting the values, we get: Acceleration = (Net force + Resistive force) / Mass = (1856 N) / (1200 kg) ≈ 4.16 m/s².

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A. Symbolic equation for the location of the center of mass of the three beads relative to the left end of the rodIn order to find the center of mass, we need to use the formula:

\((M1x1 + M2x2 + M3x3) / M\\where\\M \\ =\\ m1 + m2 + m3M1 = m1M2 = \\m2M3 = m3x1 \\= d1x2 = d1 + d2x3 = d1 + d2 + d3\\\\Now, we have\\\\M1x1 + M2x2 + M3x3 = 27 × 0.013 + 14 × 0.032 + 49 × 0.062 \\= 0.1310M \\= m1 + m2 + m3 \\= 27 + 14 + 49 = 90\)

The location of the center of mass is given

\(asx = (M1x1 + M2x2 + M3x3) / M = 0.1310 / 90= 0.00146 cmB.\)

Find the center of mass in centimeters relative to the left end of the rodThe center of mass is located at a distance of 0.00146 cm relative to the left end of the rod.C. Symbolic equation for the location of the center of mass of the three beads relative to the center beadWe need to find the distance between the center bead and the center of mass.Let d = distance between center bead and the center of mass.

Find the center of mass in centimeters relative to the middle beadFrom the above equation in part C, we know

\(x2 + d = 0.1304\)

Let's calculate the distance between center bead and the center of mass,

\(d = x - x2 = 0.00146 cm\)

Now, we can find the center of mass in centimeters relative to the middle bead asx - x2 = 0.00146 cmThe center of mass is 0.00146 cm away from the middle bead.

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The focal length of the mirror is 22 cm.

Given that,

An inverted image is magnified by 2 when the object is placed 22 cm in front of a concave mirror.

Formula used:

Focal length of a mirror is given by the relation;

1/f = 1/v + 1/u

Where,

f = focal length of the mirror

v = image distance

u = object distance

We have been asked to determine the focal length of the mirror.

Given, the object is placed 22 cm in front of a concave mirror.The magnification is 2, we have;

Magnification m = - v/u = -2

Since the image is inverted, the value of magnification will be negative.

u = -11 cm

v = 22 cm

Substituting the value of v and u in the equation, we get;

1/f = 1/v + 1/u

Putting the values, we get:

1/f = 1/22 + 1/(-11)

1/f = 1/22 - 1/11 (taking LCM)

1/f = (2 - 4)/44f

= -44/2f = -22

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Answer:

0.9 m

Explanation:

Hooke’s Law

\(\large\boxed{F = ke}\)

where:

Given values:

Substitute the given values into the formula to find k:

\(\implies 2.0=0.30k\)

\(\implies k=\dfrac{2.0}{0.30}\)

\(\implies k=\dfrac{20}{3}\; \sf N/m\)

To find the extension if the force applied is 6 N, substitute the found value of k and the given value of F into the formula and solve for e:

\(\implies 6=\dfrac{20}{3}e\)

\(\implies 18=20e\)

\(\implies e=\dfrac{18}{20}\)

\(\implies e=0.9\; \sf m\)

The object will ACCELERATE in the direction of the larger force. It may be moving in ANY direction.

False. The unit used to measure the energy contained in natural gas is typically joules or cubic meters (m^3) of natural gas. The term "therm" is sometimes used as a unit of energy, but it is more commonly used to describe the amount of energy contained in 100,000 British thermal units (BTUs). In the United States, the therm is sometimes used to describe the amount of energy contained in 100 cubic feet of natural gas.

The net force on particle q2 can be calculated by finding the net electric force acting on it. The net electric force acting on a particle is the vector sum of the forces exerted by all the other charges on it.

The electric force between two charges q1 and q2 is given by Coulomb's law: F = k * (q1 * q2)/r^2, where k is Coulomb's constant, q1 and q2 are the charges, and r is the distance between them.

The force on particle q2 due to q1 will be:

F1 = k * (q1 * q2) / (0.980m)^2

The force on particle q2 due to q3 will be:

F2 = k * (q2 * q3) / (0.750m)^2

The net force acting on q2 will be the vector sum of F1 and F2.

Keep in mind, q1 and q3 have opposite charges, so they attract each other, while q2 has the same charge as q1, so they repel each other.

Note: The unit of charge is Coulomb (C), but in this problem you are given the charges in microCoulomb (uC) so you need to convert it to Coulomb.

Answer: Nothing

Explanation:

The supplied energy is used for phase transition, not molecule kinetic energy.

Example: ice cannot be heated above 0Cº when it is being melted. Heat is consumed for phase change during its transition from solid to liquid. Only after all ice has melted, the temperature will rise until the next phase transition - vapor.

The expected density of chlorine gas at STP weighing 3.2 g is approximately 3.16 g/L (option A).

To calculate the expected density of chlorine gas at STP (Standard Temperature and Pressure) weighing 3.2 g, we need to use the ideal gas law equation:

PV = nRT,

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature.

At STP, the pressure is 1 atm and the temperature is 273.15 K.

First, we need to calculate the number of moles of chlorine gas using its molar mass. The molar mass of chlorine (Cl₂) is approximately 70.91 g/mol.

Number of moles (n) = mass / molar mass

n = 3.2 g / 70.91 g/mol ≈ 0.045 moles

Next, we rearrange the ideal gas law equation to solve for density (d), which is mass per unit volume:

d = (mass / volume) = (n * molar mass) / V

To find the volume, we can use the molar volume of an ideal gas at STP, which is approximately 22.4 L/mol.

V = n * 22.4 L/mol ≈ 0.045 * 22.4 L ≈ 1.008 L

Finally, we can substitute the values into the equation to calculate the density:

d = (0.045 moles * 70.91 g/mol) / 1.008 L ≈ 3.16 g/L

Therefore, the expected density of chlorine gas at STP weighing 3.2 g is approximately 3.16 g/L (option A).

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Answer:

Some of the payoffs companies receive when offering child care benefits to employees;

1) Employees are proud to tell others they work for such establishments which make the establishment attractive to talents

2) Reduced attrition for work place policy

3) Increased loyalty of the employees to the companies mission

4) Workers are less likely to take work appointment in other places

5) Child care offering are some of the aspects workers consider when searching for jobs

6) Companies can enjoy tax breaks

Explanation:

1.) Electrons go back into like a lower energy level then would be release a thing called a photon light.

2.) I'm not sure on the correct numbers exactly but if I remember correctly around 70-80 percent is nitrogen, around 20-25 is percent oxygen, 0.9 percent is argon, and 0.1 percent other gases. 

3.) Glass is made from sand at least that's one popular element of making sand. one gathered, they are put into a high temperature and would soon make glass coming out of it within time.

Answer:

Gas Solid Liquid Plasma

Explanation:

Answer:

plasma

Explanation:

plasma has charged particles and ions and electrons floating around