Any electromagnetic wave, like light or heat.
If he is jumping you are adding force which means that you will be falling twice as fast
Answer:
after 2 seconds its velocity is -20 m/s. after 3 seconds its velocity is -30 m/s. after 10 seconds its velocity is -100 m/s.
Explanation:
This is my answer.
A.
Destructive interference is when two waves cancel each other out or when the crest of one wave passes through the trough of another wave.
