A girls throws a tennis ball straight into the air with a velocity of 64 feet/sec. If acceleration due to gravity is −32 ft/sec2, how many seconds after it leaves the girl's hand will it take the ball to reach its highest point? Assume the position at time t = 0 is 0 feet.

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anonymous · Answer

https://i.gyazo.com/77b996a9ddb53efd1880e2ea8afe0fbc.png

anonymous · Answer

two seconds because for each second it is moving, it will lose 32ft/s of velocity. Therefore after two seconds velocity will equal zero, meaning it will have reached its highest point.