Author Question: A same-size iron ball and wooden ball are dropped simultaneously from a tower and reach the ground ... (Read 136 times)

aabwk4 · **on:** Jul 29, 2018

A same-size iron ball and wooden ball are dropped simultaneously from a tower and reach the ground at the same time. The iron ball has a greater

A) speed.
B) acceleration.
C) momentum.
D) all of the above
E) none of the above

Question 2

The mass of a ball moving at 3 m/s with a momentum of 48 kg m/s is

A) 4 kg.
B) 12 kg.
C) 16 kg.
D) 144 kg.
E) none of these