kinseytyson2907 kinseytyson2907

17-07-2017
Physics

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A 67 kg astronaut floating in space throws a 4.2 kg rock at 5.6 m/sec. How fast does the astronaut move backward?

Respuesta :

17816876845 17816876845

17-07-2017

law of conservation of momentum
67*x=4.2*5.6

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