What was the velocity of the bullet

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A bullet of mass 0.01 kg moving horizontally strikes a block of wood of mass 1.5 kg which is suspended as a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m. What was the velocity of the bullet just before it struck the wooden block? The length of the string is 2 meters.

A) 366 m/s B) 646 m/s C) 250 m/s D) 423 m/s E) 66.7 m/s

 

Reference no: EM13215920

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