Find the speed of the bullet before striking the block

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1. a 16.0 g bullet is shot into a wooden block at rest with mass 4550 h on a frictionless surface. the block moves 1.20 m/s after the bullet strikes and becomes lodged in the block. find the speed of the bullet before striking the block.

2. One cart of mass 15.0 kg is moving 5.00 m/s to the right on frictionless track and collides with a cart of mass 3.00 kg. the final velocity of the carts that become stuck together after the collision is 1.50 m/s to the right. Find the velocity if the second cart before the collision

Reference no: EM13244029

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