Multiple Choice
A ball rolls up a slope.At the end of three seconds its velocity is 20 cm/s; at the end of eight seconds its velocity is 0 cm/s.What is the magnitude of its average acceleration from the third to the eighth second?
A) 2.5 cm/s2
B) 4.0 cm/s2
C) 5.0 cm/s2
D) 6.0 cm/s2
E) 6.67 cm/s2
Correct Answer:
Verified
Correct Answer:
Verified
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