How would you solve part B to this problem?

timer Asked: Nov 8th, 2016

Question description

A 65-kg astronaut pushes against the inside back wall of a 2000-kg spaceship and moves toward the front. Her speed in- creases from 0 to 1.6 m/s. (a) If her push lasts 0.30 s, what is the average force that the astronaut exerts on the wall of the spaceship? (b) If the spaceship was initially at rest, with what speed does it recoil? (c) What was the object of reference that you used to answer parts (a) and (b)?

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