Physics
Physics, 21.01.2020 23:31, reginaldlegette

A7150-kg railroad car travels alone on a level frictionless track with a constant speed of 24.5 m/s. a 3100-kg load, initially at rest, is dropped onto the car what will be the car's new speed?

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A7150-kg railroad car travels alone on a level frictionless track with a constant speed of 24.5 m/s....

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