Fig. 9-17 consists of a large block of wood of mass M = 5.4 kg, hanging from two long cords. A bullet of mass m = 9.5 g is fired into the block, coming quickly to rest. The block+bullet then swing upward, their center of mass rising a vertical distance h = 6.3 cm before the pendulum comes momentarily to rest at the end of its arc. What is the speed of the bullet just prior to the collision?

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.40P
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Fig. 9-17 consists of a large block of wood of mass M = 5.4 kg, hanging from two long cords.
A bullet of mass m = 9.5 g is fired into the block, coming quickly to rest. The block+bullet then
swing upward, their center of mass rising a vertical distance h = 6.3 cm before the pendulum
comes momentarily to rest at the end of its arc.
What is the speed of the bullet just prior to the collision?
Transcribed Image Text:Fig. 9-17 consists of a large block of wood of mass M = 5.4 kg, hanging from two long cords. A bullet of mass m = 9.5 g is fired into the block, coming quickly to rest. The block+bullet then swing upward, their center of mass rising a vertical distance h = 6.3 cm before the pendulum comes momentarily to rest at the end of its arc. What is the speed of the bullet just prior to the collision?
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