Asked by Anonymous

solve the following by a quadratic equation and then solving it.

a rocket is projected vertically upwards from ground level, its height "h" meters.
how long does it take to reach 50 meters?

you should have two answers, explain the meaning of the two answers.

thanks
Answered by Anonymous
solve the following by a quadratic equation and then solving it.

a rocket is projected vertically upwards from ground level, its height "h" meters after "t" seconds is given by the formula

h=35t-5t^2

how long does it take to reach 50 meters?

you should have two answers, explain the meaning of the two answers.

thanks
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