## Related questions with answers

Question

Mr. Alim's science class launched a toy rocket from ground level with an initial upward velocity of 60 feet per second. The height $h$ of the rocket in feet above the ground after $t$ seconds is modeled by the equation $h=60 t-16 t^2$. How long was the rocket in the air before it returned to the ground?

Solution

VerifiedAnswered 2 years ago

Answered 2 years ago

Step 1

1 of 5Since we are calculating for the time before the rocket hits the ground, $h=0$. We can then apply this to the equation.

$\begin{aligned} h&=60t-16t^2\\ 0&=60t-16t^2 \end{aligned}$

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