Answer:
4
Explanation:
you have to divide the velocity by time so 40 divided by 10 and the answer should be 4
Total energy when she at the top = total energy when she at the bottom.
I believe that is true, yes!
Your answer is B :) because well the conditions are harsh.
<span>Molecules at higher temperatures have more energy,
thus they can vibrate faster. Since the molecules vibrate faster, sound
waves can travel more quickly. The speed of sound in room temperature
air is 346 meters per second. so that would be answer A</span>