How fast was the bullet going at first

Reference no: EM1372377

Q. A 2 kg block of wood rests on a long tabletop. A 7.00 kg bullet is shot straight up through a hole in the table beneath the block. The bullet lodges in the block, and the block flies 25 cm above the tabletop. How fast was the bullet going at first?

Q. An Olympic skier moving at 20m/s down a 30o slope encounters a region of wet snow and slides 145 m before coming to a stop. What is the coefficient of friction between skis and snow if the combined mass of the skier and skis is 55 Kgm?

Reference no: EM1372377

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