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Mathematics, 30.04.2021 15:00 zafarm2oxgpmx

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 + 178t + 409.
Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?
I
seconds.
The rocket splashes down after

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