A mine car, whose mass is 380 kg, rolls at a speed of 0.5 m/s on a horizontal track?

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A mine car, whose mass is 380 kg, rolls at a speed of 0.5 m/s on a horizontal track?

A 150 kg chunk of coal has a speed of 0.55 m/s when it leaves the chute. Determine the velocity of the car/coal system after the coal has come to rest in the car.

2007-10-12 05:46:14 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Physics

1 answers

conservation of moment
380*0.5+150*0.55 = 530 v so v=0.5142 m/s

2007-10-12 05:53:51 · answer #1 · answered by santmann2002 7 · 1⤊ 0⤋