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Why does the relative motion go wrong here?
Question statement:
A rocket is moving in a gravity free space with a constant acceleration of 2ms−2, along + x direction (see figure). The length of a chamber inside the rocket is 4 m. A ball is ...
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If kinetic energy depends on your reference frame then which frames kinetic energy is dissapated during a collision to cause damage etc?
Say you have an object such as a car with mass 4,000kg moving at a speed of 20m/s relative to the ground in a straight line towards another object with, say, 2,000kg which is stationary on the ground ...
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