At what speed is the bullet fired

Reference no: EM13259668

A bullet of mass 5.2 g is fired horizontally into a 7.1 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.50. The bullet stops in the block, which slides straight ahead for 1.5 m (without rotation).

(a) What is the speed of the block immediately after the bullet stops relative to it?

(b) At what speed is the bullet fired?

Reference no: EM13259668

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