A ball rolling across a field with an acceleration of -0.5 m/s2 rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?
A. 4 m/s
B. 16 m/s
C. 12.5 m/s
D. 6.25 m/s
Answer: A. 4 m/s
A ball rolling across a field with an acceleration of -0.5 m/s2 rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?
A. 4 m/s
B. 16 m/s
C. 12.5 m/s
D. 6.25 m/s
Answer: A. 4 m/s