SOLUTION: A bird drops a shell over the ocean from the height of 60 feet. The function h=-16t^2+60 models the height in feet after t seconds. How long does it take the shell to hit the surf

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Question 1131295: A bird drops a shell over the ocean from the height of 60 feet. The function h=-16t^2+60 models the height in feet after t seconds. How long does it take the shell to hit the surface of the ocean
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
To get the answer, you need to solve the equation


    h(t) = 0,  which is


    -16t^2 + 60 = 0,   or,  which is the same,


     16t^2 = 60,

     
      t = sqrt%2860%2F16%29 = 1.94 seconds  (approximately; valid with two decimal places).   ANSWER

Solved.