A 3600 kg open railroad car coasts along with a constant speed of 11.0 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.70 kg/min.
Ignoring friction with the tracks, what is the speed of the car after 80.0 min?
conservation of momentum
Momentum before= momentum after.
masssnow= 3.7*80 kg
solve for Vf.
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