Suppose that the gravitational acceleration on a certain planet is only 3.1 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 35 m/s
a) What is the velocity of the ball 4 seconds after it is thrown?
m/s
(b) How much time elapses before the ball reaches the high point in its flight?
s
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2 answers

(a)
v = 35  3.1t
solve for v when t=4
(b)
solve for t when v=0 👍
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