A rocket takes off vertically from the launchpad with no initial velocity but a constant upward...

A rocket takes off vertically from the launchpad with no initial velocity but a constant upward acceleration of 2.25 m/s2 . At 15.4s after blastoff, the engines fail completely so the only force on the rocket from then on is the pull of gravity (free fall). a) What is the maximum height the rocket will reach above the launchpad? b) How fast is the rocket moving at the instant before it crashes onto the launchpad? c) How much longer after the engines fail does it take for the rocket to crash on the launchpad?

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genius_generous answered 3 weeks ago

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