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A 0.0115-kg bullet is fired hоrizоntаlly intо а 3.02-kg wooden block аttached to one end of a massless horizontal spring with k=835 N/m. The other end of the spring is fixed, and the spring is initially uncompressed. The block rests on a frictionless, horizontal surface. The bullet strikes the block perpendicularly and quickly comes to rest inside it. Due to this completely inelastic collision, the spring compresses along its axis, causing the block and bullet to oscillate with an amplitude of 0.293 m. (a) Which quantities are conserved before the bullet strikes the block and after the block comes to rest: Energy, momentum, both, neither? If there are instances where they are conserved, mention them and explain. (10 points) (b) What is the initial speed of the bullet? (15 points) Show your work and answer in the scratch paper.