2. When heat is absorbedA. molecules move more slowly
B. molecules move more rapidly
C. there is no change in molecular motion
D. temperature remains unchanged

Answers

Answer 1

Answer: The transfer of heat between molecules will cause an increase in the movement of the molecules and or the atoms in it.
There would be a change in the kinetic motion of the objects.

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When Reggie stepped up to the plate and hit a .15 kg fast ball traveling at 36m/s the impact caused the ball to leave his bat with a velocity of 45m/s in the oppsite direction. If the impact lasted 0.0020s, what force did Reggie exert on the ball

Answers

Assuming the initial direction of motion before impact as negative and final direction of motion as positive.

m = mass of the ball being hit = 0.15 kg

v₀ = initial velocity of the ball before the impact = - 36 m/s

v = final velocity of the ball after impact = 45 m/s

t = time of impact = 0.0020 s

F = force Reggie exerted on the ball

Using Impulse-change in momentum equation

F t = m (v - v₀)

F (0.0020) = (0.15) (45 - (- 36))

F = 6075 N

What characteristics of water waves make them transverse waves?

Answers

Answer:

The characteristics of water waves is that it travels through the waver, the particles travel in clockwise circles. The radius of the circles decreases as the depth into the water increases.

Explanation:

When parts of your body functions as lever systems, what part supplies the force?

Answers

Muscles supply the force. They exert force by getting shorter (contracting).
A muscle can't get longer by itself. There needs to be another muscle
pulling in the opposite direction.

a graph is named mpg vs speed of a car traveling on a straight flat road. what does that name tell us about the graph

Answers

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A car designer is designing a new model of a popular car. He wants to use the same engine as in the old model, but improve th new car's acceleration. Use Newton's second law to explain how to improve the car's acceleration. Use Newton's second law to explain how to improve the cars acceleration without redesigning the engine.

Answers

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