Aplastic block of mass 0.20.2kg is initially at rest on a horizontal frictionless surface. a bullet of mass 1212 g is fired with an initial speed of 550550m/s towards the block. the bullet passes completely through the block and exits the other side with a speed of 20.020.0m/s. what percent of the initial kinetic energy of the bullet block system is lost during the collision?
Answers: 3
= Mass of bullet= 0.012 kg
= Mass of block = 0.2 kg
= Initial Velocity of bullet= 550 m/s
= Initial Velocity of block = 0 m/s
= Final Velocity of bullet = 20 m/s
= Final Velocity of block 
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Aplastic block of mass 0.20.2kg is initially at rest on a horizontal frictionless surface. a bullet...
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