Question #76349
A box of mass 0.8 kg slide at speed of 10m/s.across a smooth level floor before it encounter a rough patch of length 3.0 m The friction force on the box due to this part of the floor is 70 N .What is the speed of box when it leave this rough surface ? What length of the rough surface would being the box completly to rest?
1
Expert's answer
2018-04-24T08:47:08-0400
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