Question
On a frictionless horizontal air table, puck A (with mass 0.247 kg ) is moving toward...
On a frictionless horizontal air table, puck A (with mass 0.247 kg ) is moving toward puck B (with mass 0.374 kg ), which is initially at rest. After the collision, puck A has velocity 0.124 m/s to the left, and puck B has velocity 0.655 m/s to the right.
What was the speed vAi of puck A before the collision? = 0.868m/s
Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision.
Homework Answers
Answer #1
During collision momentum is conserved
Initial momentum = Final momentum
ANSWER: 
===========================
Kinetic Energy before collision, 
===================
Kinetic Energy after collision, 
===================
Change in kinetic energy, 
ANSWER: 
=============================
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