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Compute all parts of following question:
Question: A rifle with a barrel length of 65cm fires a 10g bullet with a horizontal speed of 400m/s. The bullet strikes a block of wood and penetrates to a depth of 15cm.
Part I: What resistive force (assumed to be constant) does the wood exert on the bullet?
Part II: How long does it take the bullet to come to rest after entering the wood?
I need help to find how long it takes the bullet to come to rest after entering the wood.
A 0.150-kg glider is moving to the right on a frictionless,horizontal air track with a speed of 0.80 m/s. Find the final velocity (magnitudeand direction) of each glider if the collision is elastic
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