Question

Asked Mar 3, 2019

A mine car, whose mass is *m _{1}* = 444 kg, rolls at a speed of

An *m _{2}* = 138 kg chunk of coal has a speed of

Step 1

From the laws of conservation of momentum in the *x* direction, the equation for the velocity of the car/coal system is,

Step 2

Substituting the...

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