Answer:
Omqnp
Explanation:
I have done this before and got it correct
Answer:
100N
Explanation:
Newton's third law of motion
For every action, there is an equal and opposite reaction.
Therefore 100N of force is exerted by the crate on student as a reaction to his action
Energy cannot be created nor be destroyed
High amplitude sound would be music, radio, or earthquakes.
Low amplitude sound would be a breeze or wind.