A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8m/s and the final velocity was 7 m/sec, what was the acceleration of the ball?

A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was. 08m/sec and the final velocity was 7m/sec, what was the acceleration of the ball?

F:

D:

Ans:

F:a=vf-vi/t

D:a=?

vi=0.8 m/s

vf=7m/s

t=15sec

Ans:.41m/s

a=vf-vi/t

a=1800-1000/.03

a=.41