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A 7800 kg rocket blasts off vertically from the launch pad with a constant upward acceleration...

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Physics

A 7800 kg rocket blasts off vertically from the launch pad witha constant upward acceleration of 2.15 m/s2 and feels noappreciable air resistance. When it has reached a height of 575 m ,its engines suddenly fail so that the only force acting on it isnow gravity. A) What is the maximum height this rocket will reachabove the launch pad? b)How much time after engine failure willelapse before the rocket comes crashing down to the launch pad?c)How fast will it be moving just before it crashes?

Answer & Explanation Solved by verified expert
4.3 Ratings (538 Votes)
A Assume that there is no air friction Take all upward quantity to be positive Consider the journey from the launch pad to the point where the engines fail initial velocity u 0 ms    See Answer
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