Original velocity of the bullet
A 35 g bullet strikes a 1.4 kg block and embeds itself in the block. The block and bullet fly off together at 7.8 m/s. What is the original velocity of the bullet?
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he total distance, including the distance that the spring is compressed, that is travelled by the mass is 40 cm. The spring is compressed 3.0 cm when the mass is momentarily stopped. Calculate the coefficent of kinetic friction between the mass an
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