A ball is thrown into the air with an upward velocity of 80 feet per second. The function

h = - 16t^2 + 80t models the height h, in feet, of the ball at time t, in seconds. When will the ball reach the ground?

after 3 seconds

after 5 seconds

after 6 seconds

Question

2 September, 17:47

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Harper Mcgee · Answer 1

After 5 seconds, that is the answer.

A ball is thrown into the air with an upward velocity of 80 feet per second. The functionh = - 16t^2 + 80t models the height h, in feet, of the ball at time t, in seconds. When will the ball reach the ground?after 3 secondsafter 5 secondsafter 6 seconds