anonymous
  • anonymous
The function y=-16t^2+384 models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Plug in 0 for y and then solve for t 0=-16t^2+384
anonymous
  • anonymous
this is my answer 6.93 seconds is it correct?
anonymous
  • anonymous
I got 4.90...

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anonymous
  • anonymous
16t^2=384 t^2=24 \[t=\sqrt{24}\]
anonymous
  • anonymous
oh i miscalculated. thank you
anonymous
  • anonymous
You're welcome

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