Question
A tennis ball is shot vertically upward in an evacuated chamber inside a tower with an initial speed of 20.0 m/s at time t = 0 s.
Approximately how long does it take the tennis ball to reach its maximum height?
Approximately how long does it take the tennis ball to reach its maximum height?
Answers
v = Vi - g t
0 = 20 - 9.81 t
t = about 2 seconds
0 = 20 - 9.81 t
t = about 2 seconds
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