please I don't really know how to start answering this question I really need to understand...

please I don't really know how to start answering this question I really need to understand it

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A collision in one dimension

A mass m1 = 2 kg moving at v1i = 3 ms−1 collides with another mass m2 = 4 kg moving at

v2i = −2 ms−1. After the collision the mass m1 moves at v1f = −3.66 ms−1. (a) Calculate the final velocity of the mass m2.

(b) After the collision the mass m1 slides across a surface with coefficient of friction μ = 0.6. Calculate how far it travels before it comes to rest.

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genius_generous answered 2 years ago

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