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A ball is thrown from an initial height of 2 meters with an initial upward velocity of 20 m/s. The ball's height h (in meters) after t seconds is given by the following.

h=2+20t-5t^2
Find all values of t for which the ball's height is 7 meters.
Round your answer(s) to the nearest hundredth.

User Bokeh
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1 Answer

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Answer:

t = 0.27 seconds and t = 3.73 seconds

Explanation:

A ball is thrown from an initial height of 2 meters with an initial upward velocity-example-1
User Mitsuru Kariya
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