Question: A 0.2-lb model rocket is launched vertically from rest at time t = 0 with a constant thrust of 2 lb for one second and

A 0.2-lb model rocket is launched vertically from rest at time t = 0 with a constant thrust of 2 lb for one second and no thrust for t > 1 s. Neglecting air resistance and the decrease in mass of the rocket, determine

(a) The maximum height h reached by the rocket,

(b) The time required to reach this maximumheight.

A 0.2-lb model rocket is launched vertically from rest at time t

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