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A bullet is fired into a large wooden block situated (at rest) on top of a level table top. The mass of the bullet is
A bullet is fired into a large wooden block situated (at rest) on top of a level table top. The mass of the bullet is 0.025 kg. and the mass of the block is 6.0 kg. Assume that the block does not splinter when the bullet enters and embeds itself in the block. The speed of the bullet just prior to entering the block is 750 m/s. Answer the following questions using SI units, rounded to 2 decimal places as necessary. (a) What is the speed of the block-bullet ensemble just after the bullet's impact with the block? (b) How much energy is lost to the surroundings as a result of this collision? (Most of the lost energy would be due to heat generated by the bullet penetrating the wooden block. ) (c) If the kinetic coefficient of friction between the block and the table top block- bullet ensemble is 0.22, how far along the table top does the ensemble slide before coming to a rest? (Let g = 9.8 m/ $4)
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