A train, A, with a mass of 19,000 kg is travelling at 90 km/h when it...

A train, A, with a mass of 19,000 kg is travelling at 90 km/h when it strikes a second train, B, which has a mass of 17,000 kg and is moving in the same direction at a speed of 43.2 km/h. If the coefficient of restitution for the collision is 0.87 and all resistances to motion are negligible, then

(i) calculate the speed of the trains A and B immediately after the impact.

(ii) as a result of damage during the collision trains A and B have a constant friction resistance to the motion of 14,500 N. Calculate the distance that the train B will move before coming to rest.

Expert Solution

samet mamat answered 2 years ago

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