8. a steel ball rolls from rest down a ramp with an acceleration of -3 m/s/s. what is its velocity after rolling for 5 s?
-3 m/s
b. 5 m/s
c. -15 m/s
d. 50 m/s

C. -15m/s

Explanation:

using formula, v = u + at

where v = final velocity

u = initial velocity = 0

a = acceleration = -3m/s/s

t = time = 5sec

=> v = 0 + -3×5 = -15m/s

well, you would divide 135 by 33 to get your answer. then that is how many seconds it would take. boardman should fly about 132 m or 4.090909090909091 seconds.

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