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a truck ( mass == 1000kg) is travelling at a speed of 5 0 m/s when...

a truck ( mass == 1000kg) is travelling at a speed of 5 0 m/s when the driver suddenly stops. The coefficient for kinetic friction between rubber and the floor u_k = 0.90. find the stopping distance for the folllowing cases. a) travelling up a 20 degree slope  b) down a 30 degree slope c) on a level road

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