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A 17 g bullet is fired into the bob of a ballistic pendulum of mass 1.3...

A 17 g bullet is fired into the bob of a ballistic pendulum of mass 1.3 kg. When the bob is at its maximum height, the strings make an angle of 60° with the vertical. The length of the pendulum is 2.3 m. Find the speed of the bullet.

_____m/s

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Answer #1

first we use conservation of momentum to gind relation between bulley velocity and bob+bullet initial velocity. Than use conservation of energy to find bullet velocity.

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