9. A bullet of mass 4.0 g. moving horizontally with a velocity of 500 m/s, strikes a wooden block of mass 20 kg, initially at rest on a rough, horizontal surface. The bullet passes through the block in a negligible time interval, emerging with a velocity of 100 m's and causing the block to slide 40 em along the surface before coming to rest. (a) With what velocity does the wood block move just after the bullet exits? (b) What is the maximum kinetic energy of the block? OL What is the frictional fono

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Chapter1: Units, Trigonometry. And Vectors
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9. A bullet of mass 4.0 g. moving horizoetally with a velocity of s00 m/s, strikes a wooden block of
mass 2.0 kg, initially at rest on a rough, horizontal surface. The bullet passes through the block in a
negligible time imterval, emerging with a velocity of 100 m's and causing the block to slide 40 em along
the surface before coming to rest.
(a) With what velocity does the wood block move just after the bullet exits?
(b) What is the maximum kinetic energy of the block7
C) What is the average frictional force stopping the block?
Transcribed Image Text:9. A bullet of mass 4.0 g. moving horizoetally with a velocity of s00 m/s, strikes a wooden block of mass 2.0 kg, initially at rest on a rough, horizontal surface. The bullet passes through the block in a negligible time imterval, emerging with a velocity of 100 m's and causing the block to slide 40 em along the surface before coming to rest. (a) With what velocity does the wood block move just after the bullet exits? (b) What is the maximum kinetic energy of the block7 C) What is the average frictional force stopping the block?
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