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00- bullet, moving horizontally with an initial speed , embeds itself in a 1.20- pendulum bob that is initially at rest. The length of the pendulum...

A 9.00- bullet, moving horizontally with an initial speed , embeds itself in a 1.20- pendulum bob that is initially at rest. The length of the pendulum is = 0.730 . After the collision, the pendulum swings to one side and comes to rest when it has gained a vertical height of 14.0 .

Is the kinetic energy of the bullet-bob system immediately after the collision greater than, less than, or the same as the kinetic energy of the system just before the collision?

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