A child at a swimming pool jumps off a 12-foot pla...

A child at a swimming pool jumps off a 12-foot platform intothe pool. The child's height in feet above the water ismodeled by h(t) = -16t2 + 12, where tis the time in seconds after the child jumps. How long willit take the child to reach the water?

Answers ( 1 )

  1. esat adal
    esat adal
    h(t)= -16t2 +12
    when the child reaches the water then h(t)=0
    that is  -16t2 +12=0
    that is t2 =3/4
    that is t=0.866 seconds
    Thus it will take 0.866 seconds to reach the water.

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