"Constant velocity" is practically a definition for zero acceleration.
Answer:
a soft foam material because soft materials absorb sound better
Answer:
It would be hard to test scientifically since it's subjective and can only be proven true if you conducted some experimentations and observations.
Answer:
f =ma = 0.015 * 55 = 0.825 N
so yeah that's ur ans
Answer is 4,400,000 kg • m/s