# N4 - space and then Fres its rockets until all its fuel is...

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N4: Motion from Forces

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Problem : A flowerpot falls downward past a window that has a vertical height 1.5 m. The flowerpot is observed to take 0.2 seconds to fall past the window. From how far above the top of the window did the flowerpot fall?
Problem : A rocket has half of its total mass in fuel. It starts from rest in outer
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Unformatted text preview: space, and then Fres its rockets until all its fuel is gone. Assume that its fuel is used at a constant rate and that the exhaust is emitted with speed relative to the rocket. What is the Fnal speed of the rocket?...
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