A 14.2 g bullet is shot vertically into a 2.64 kg block. When the bullet penetrates the block, it comes to rest in a time interval of 1.12 ms. The block lifts upward 9.30 mm vertically with the bullet embedded. Ignore air resistance and ignore the force of gravity during the 1.12 ms embedding time. Find (A) the initial kinetic energy of the bullet before the collision and (B) find the % of this energy lost as heat during the collision. After your calculations, (C) show that it was a good approximation to ignore the force of gravity during the 1.12 ms it took the bullet to come to rest in the block
A 14.2 g bullet is shot vertically into a 2.64 kg block. When the bullet penetrates the block, it comes to rest in a time interval of 1.12 ms. The block lifts upward 9.30 mm vertically with the bullet embedded. Ignore air resistance and ignore the force of gravity during the 1.12 ms embedding time. Find (A) the initial kinetic energy of the bullet before the collision and (B) find the % of this energy lost as heat during the collision. After your calculations, (C) show that it was a good approximation to ignore the force of gravity during the 1.12 ms it took the bullet to come to rest in the block
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 9.36P: In an elastic collision of two particles with masses m1 and m2, the initial velocities are u1 and u2...
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Question
A 14.2 g bullet is shot vertically into a
2.64 kg block. When the bullet penetrates the block, it
comes to rest in a time interval of 1.12 ms. The block lifts
upward 9.30 mm vertically with the bullet embedded.
Ignore air resistance and ignore the force of gravity during
the 1.12 ms embedding time. Find (A) the initial kinetic
energy of the bullet before the collision and (B) find the % of
this energy lost as heat during the collision. After your
calculations, (C) show that it was a good approximation to
ignore the force of gravity during the 1.12 ms it took the
bullet to come to rest in the block
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