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A 1000kg weather rocket is launched straight up. The rocket motor provides a constant acceleration for 16s , then the motor stops. The rocket altitude after 20s launch is 4200m . You can ignore any effects of air resistance.

1) What was the rocket's acceleration during the first 16s ?

(in m/s^2)

2) What is the rocket's speed as it passes through a cloud 4200m above the ground?

(in m/s)

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Category:- Physics
Reference No.:- M91060165

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