The answer to number 9 please

Answers

Answer 1

Answer: The magnitude is doubled. The direction doesn't change.

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The rate of doing work is called _____.
power
force
energy
inertia

Answers

The rate of doing work is called power.

Hence, the correct option is A.

Power is a measure of how quickly or how much work is done per unit of time.

It is the amount of energy transferred or converted per unit time. The unit of power is the watt (W), where 1 watt is equal to 1 joule of work done per second.

Therefore, The rate of doing work is called power.

Hence, the correct option is A.

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Final answer:

Power is the correct term in physics for the rate of doing work. It signifies the amount of work done or energy converted per unit of time. Other options provided like force, energy, and inertia have different meanings in physics.

Explanation:

The rate of doing work is called power. In physics, power is defined as the amount of work done or energy converted per unit of time. For example, when you lift a heavy box, you're doing work, and the faster you lift that box (maintaining the same force), the more power you're exerting.

Whereas force is a push or pull upon an object resulting from the object's interaction with another object, energy is the capacity for doing work, and inertia refers to an object's resistance to change in motion.

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Question #4 Multiple Choice Which of the following is a similarity between an industrial metrologist and a legal metrologist? Both are employed by private companies Both ensure confidence in the quality of measurements Both ensure adequate functioning of measurement instruments Both develop measurement standards based on research

Answers

Answer:

choice B

Explanation:i took the test

Answer:

ITS D

Explanation:

if its wrong i will comeback and re do it

The mass is 2.0 kg. If the net force is 20.0 N, what is the acceleration?

Answers

Answer:

The answer is 10 m/s²

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

$a = (f)/(m) \n$

where

f is the force

m is the mass

We have

$a = (20)/(2) \n$

We have the final answer as

10 m/s²

Hope this helps you

Answer: BUTT

Explanation: Because its a Cheek;)

What is an example of Deceleration?

Answers

That's a word often used to mean "slowing down". An example is what happens
when the brake is applied in a moving car.

But 'deceleration' is a very unofficial, unscientific word. If the forward speed
is decreasing, then a much more useful concept is "negative acceleration".

When the body starts moving with a slower speed than the initial speed and it slows down continuously, the this is called deceleration. Examples of deceleration -

When a ball is thrown upwards, its speed goes on decreasing as its height increases.
When a car applies brakes.

When energy is transferred to air, what happens to the particles of air? (1 point) They move slower. They move faster. They cool down. none of the above

Answers

When energy is transferred to air, the particles of air move faster.

What is kinetic theory of gases?

A huge number of submicroscopic particles, including atoms and molecules, are used in the kinetic theory of gases, a theoretical model, to characterize the molecular makeup of the gas.

The idea also states that gas pressure results from particles slamming into one another and the container walls. In addition to defining physical characteristics like temperature, volume, and pressure, kinetic theory of gases also defines transport characteristics like viscosity, thermal conductivity, and mass diffusivity.

It essentially explains every characteristic connected to the tiny phenomenon. The idea is significant because it aids in creating a relationship between macroscopic properties and tiny phenomena.

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this question is a critical question. as we all know, when energy is added to any state of water, the particles move faster. and when energy is taken away from any state of water, the particles reduce speed. same with the particles of air. when energy is added; they move faster. when energy is removed; they move slower. so the answer is they move faster

Gas pressure in a closed system is caused by _____.

Answers

Answer:

rapid diffusion of gas throughout the system

Explanation:

It is caused by she system letting off fumes and making gas pressure.

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Assuming the same current is running through two separate coils, why is it easier to thrust a magnet into a wire coil with one loop than one with four loops?.

How much energy ( in joules ) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature ? A. 697.08 J B. 17,705.1 J C. 20,075.04 J D. 51,302.88 J Please include how you got your answer , thank you.

Waves are created when a source of _________ (force) causes a vibration.

A roller coaster cart of mass m = 223 kg starts stationary at point A, where h1 = 26.8 m and a while later is at B, were h2 = 14.7 m. The acceleration of gravity is 9.8 m/s 2 . What is the speed of the cart at B, ignoring the effect of friction?