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Physics, 23.09.2019 20:30, imeldaa5009
Atest rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. the rocket engine provides constant upward acceleration during the burn phase. at the instant of engine burnout, the rocket has risen to 49 m and acquired a velocity of 30m/s. how long did the burn phase last?
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Atest rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. the rocket engin...
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