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Physics - Work-Energy Theorem

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A .010-kg bullet traveling horizontally at 400.0 m/s strikes a 4.0-kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor?

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The expert examines work-energy theorem.=s. Neat, complete and step-by-step solution is provided.

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The kinetic energy of the bullet when it hits the block = (1/2)mv^2 = (1/2)(0.010)(400^2)

= 800 J. This energy is transferred to the block and ...

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