7. A 5.20 g bullet moving at 672 m/s strikes a 700 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 428 m/s. (a) What is the resulting speed of the block? (b) What is the speed of the bullet-lock center of mass?
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![7. A 5.20 g bullet moving at 672 m/s strikes a 700 g wooden block at rest on a
frictionless surface. The bullet emerges, traveling in the same direction with its speed
reduced to 428 m/s. (a) What is the resulting speed of the block? (b) What is the
speed of the bullet-lock center of mass?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64e0b96c-230c-4b91-83ff-39422667a56c%2Ffa3e9f0a-1181-4bb5-8a18-7533e89897d9%2Fatlm1z_processed.jpeg&w=3840&q=75)
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