Answer:
I'm not 100% sure tbh but the only thing I think makes sense to represent vibration would be frequency which is measure in Hertz (Hz)
Explanation:
Answer:
A
Explanation: A is a example of Air resistance force, which is a contact force.
That is meters per second, same as velocity.
Answer: True!
Explanation: The force is proportional to the square of the distance between 2 point masses