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Q1. A 10 g bullet is fired into a 10.00 kg wood block that is at rest on the wood table. The block, with the bullet embedded, slides 5.09 {rm cm} across the table. The coefficient of kinetic friction for wood sliding on wood is 0.20.What is a speed of the bullet.

Q2. A bumper car with mass m1 = 116 kg is moving to the right with a velocity of v1 = 5 m/s. A second bumper car with mass m2 = 96 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Suppose the surface is frictionless.

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