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k WW A bullet with a mass mu = 11.9 g is fired into a block of wood at velocity up = 253 m/s. The block is attached to a spri

 A bullet with a mass mu = 11.9 g is fired into a block of wood at velocity up = 253 m/s. The block is attached to a spring that has a spring constant k of 205 N/m. The block and bullet continue to move, compressing the spring by 35.0 cm before the whole system momentarily comes to a stop. Assuming that the surface on which the block is resting is frictionless, determine the mass mw of the wooden block. 

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Solution let V. speed of (bullet tblock) after collision from Conservation of Energy √ √ (M+ Mb) ne? Iki (2 -0 Also from cons

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