Question 30

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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) = -4.9t² + 130t + 122.

Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?

The rocket splashes down after

seconds.

Round your answer to the nearest second.

How high above sea-level does the rocket get at its peak?

The rocket peaks at

Round your answer to the nearest meter.

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meters above sea-level.

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