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  3. nasa launches a rocket at t=0 seconds. its height,

NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a...

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Basic Math

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NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) = -4.9t +238t+402.Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?The rocket splashes down after seconds.How high above sea-level does the rocket get at its peak?The rocket peaks at meters above sea-level.

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