Question

An astronaut (mass of 100 kg, with equipment) is headed back to her space station at a speed of 0.750 m/s but at the wrong angle. To correct her direction, she fires rockets from her backpack at right angles to her motion for a brief time. These directional rockets exert a constant force of 100.0 N for only 0.200 s. [Neglect the small loss of mass due to burning fuel and assume the impulse is at right angles to her initial momentum.]
(a) What is the magnitude of the impulse delivered to the astronaut?
(b) What is her new direction (relative to the initial direction)?
(c) What is her new speed?


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  • CreatedAugust 29, 2015
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