Question: A rocket is fired vertically up at an average acceleration of (2 mathrm{~m} / mathrm{s}^{2}). Taking (t=0) at lift-off, () (a) what is the velocity

A rocket is fired vertically up at an average acceleration of \(2 \mathrm{~m} / \mathrm{s}^{2}\). Taking \(t=0\) at lift-off, \(\) 

(a) what is the velocity of the rocket at \(t=1 \mathrm{~min}\) ?

(b) What is its velocity at \(t=2\) \(\min\) ?

(c) What is the altitude after 30 seconds?

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