Author Question: A cart changes its speed from 90 m/s to 100 m/s in 10 seconds. During this interval its acceleration ... (Read 75 times)

kwoodring · **on:** Jul 29, 2018

A cart changes its speed from 90 m/s to 100 m/s in 10 seconds. During this interval its acceleration is

A) zero.
B) 1 m/s2.
C) 10 m/s2.
D) none of the above

Question 2

A cart maintains a constant velocity of 100 m/s for 10 seconds. During this interval its acceleration is

A) zero.
B) 1 m/s2.
C) 10 m/s2.
D) none of the above