# A coin is dropped from a height of 750 feet. The height, *s* (ft), at time *t* (sec), is given by #s=-16t^2+750#. How long does it take for the coin to hit the ground?

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& what is the velocity when the coin hits the ground?

& what is the velocity when the coin hits the ground?

##### 1 Answer

Nov 1, 2016

#### Explanation:

At ground level,

We need