Wednesday
August 27, 2014

Homework Help: physics

Posted by Anonymous on Wednesday, February 5, 2014 at 6:54pm.

You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 15 m/s2. After 21 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect any effects due to air resistance.) The rocket eventually stops rising and then falls back to the ground. You want to get a sample of air that is 11 km above the ground.
(a) What is the highest point your rocket reaches?

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