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March 26, 2017

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model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration of 1.00 m/s2 until its engines stop at an altitude of 130 m.
(a) What is the maximum height reached by the rocket?
m

(b) How long after lift-off does the rocket reach its maximum height?
s

(c) How long is the rocket in the air?
s

  • physics - ,

    Follow the approach outlined in this similar question of a few days ago:

    http://www.jiskha.com/display.cgi?id=1283656710

  • physics - ,

    A certain car is capable of accelerating at a rate of +0.60 m/s2. How long does it take for this car to go from a speed of 20 mi/h to a speed of 65 mi/h?

  • physics - ,

    idk whats the answer

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