Asked by Michelle
A 250g bullet with a speed of 500m/s passes through the center of a 1.5kg square wooden block [ side length 18cm] at rest upon a horizontal frictionless surface. As it exits the block, the bullet has a speed of 150m/s.
A) find the initial speed of the center of mass of the system
b) Find the final speed of the wooden block
C) what fraction of the bullets initial kinetic energy is lost?
D) where does lost energy go?
E) how far does the block move while the bullet is passing throught it?
A) find the initial speed of the center of mass of the system
b) Find the final speed of the wooden block
C) what fraction of the bullets initial kinetic energy is lost?
D) where does lost energy go?
E) how far does the block move while the bullet is passing throught it?
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