Initial speed of a bullet

  • Thread starter ems1312
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  • #1
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Homework Statement


A bullet of mass m is fired into a large block of wood, mass M, suspended by two long cords. The bullet comes to rest in the block so that the system swings upwards, coming to rest after travelling through a vertical distance h.
Find in terms of m, M, and h:
the initial speed of the bullet.


Homework Equations





The Attempt at a Solution


Do not know where to start.
 

Answers and Replies

  • #2
ideasrule
Homework Helper
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Start by using the conservation of momentum to figure out the speed of the block at the bottom of the swing.
 

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