boricua126 boricua126

03-10-2022
Mathematics

Answered

A ball is thrown upward at a velocity of 16 feet per second from a height that is 60 feet above the ground. The height H (in feet) of the ball at time, t (in seconds), after it is thrown, can be found by the formula below.

H = -16t^2 + 16t + 60

Find the time, in seconds, then the ball is again 60 feet above the ground.

Answer :

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