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OpenStudy (anonymous):
A 1.5x10^3 kg accelerates from rest at 4.0m/s^2 for 6.0s. a) what momentum does it acquire at that time? b) what was the impulse exerted on it? A toy rocket develops an average forward thrust of 4.0N when the velocity of the exhaust gases relative to the engine is 30m/s. Calculate the mass of gases ejected per second.
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