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A ball is launched straight up in the air from the ground level. The height of the ball after t seconds is given by the equation.

h = -16t^2+ 9
After how many seconds does the ball return to the ground?
1/2 of a second

3/4 of a second

1/4 of a second
1 second

User Reggy
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1 Answer

4 votes

Answer:

3/4 of a second

Explanation:

step by step in picture

A ball is launched straight up in the air from the ground level. The height of the-example-1
User Lalit Jha
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