A 0.22kg arrow with a velocity of 15.00 ms to the west, Ask an Expert

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Q. A 0.22kg arrow with a velocity of 15.00 m/s to the west strikes and pierces the center of a 3.00 kg target. What is the final velocity of combined mass? Answer in m/s.

What is the decrease in kinetic energy through the collision?

Q. A 35 g bullet moving at 475 m/s strikes a 2.50 kg wooden block. The bullet passes through the block, leaving at 275m/s. The block was at rest while it was hit. How fast is it moving when the bullet leaves?

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