How much kinetic energy is lost in the collision

Reference no: EM1356712

Q. Find the force necessary to start the crate moving, given that the mass of the crate is 32 {rm kg} and the coefficient of static friction between the crate and the floor is 0.60.

Q. A railroad car of mass 2.9 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s.

How much kinetic energy is lost in the collision?

Reference no: EM1356712

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