Author Question: A heavy rock and a light rock in free fall have the same acceleration because the A) force due to ... (Read 73 times)

codyclark · **on:** Jul 29, 2018

A heavy rock and a light rock in free fall have the same acceleration because the

A) force due to gravity is the same on each.
B) air resistance is always zero in free fall.
C) inertia of each is the same.
D) ratio of force to mass is the same.
E) none of the above

Question 2

If the intensity level at distance d of one trombone is 70 dB, what is the intensity level of 76 identical trombones, all at distance d?

A) 146 dB
B) 89 dB
C) 5320 dB
D) 76 dB
E) 82 dB