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    Differentiation: Describe the motion of an object launched up

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    Questions are taken from the course book 'Physics with modern physics', Richard Wolfson & J. M. Pasachoff.

    A model rocket is launched straight upward; its altitude as a function of time is given by y = bt-ct^2, where b=68 m/s, c=4.9 m/s, t is the time in seconds, and y is in meters.

    (a) Use differentiation to find a general expression for the rocket's velocity as a function of time.

    (b) When is the rockets velocity zero?

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    Solution Summary

    This job applies differentiation to describe the motion of an object launched upwards.