SOLUTION: if i shoot an arrow straight into the air and it takes 10 seconds to hit the ground how high did the arrow fly

Question 678387: if i shoot an arrow straight into the air and it takes 10 seconds to hit the ground how high did the arrow fly

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'm assuming your units are in feet.

It will reach the peak at 10/2 = 5 seconds.

The zeros are and

or

or

So the function is

Compare this to and you'll see that k = -16, which means -10k = 160

So the function is

Plug in

So it will fly to a max height of 400 ft.

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