On a frictionless horizontal air table, puck A (with mass 0.254 kg ) is moving toward puck B (with mass 0.366 kg ), which is initially at rest. After the collision, puck A has velocity 0.119 m/s to the left, and puck B has velocity 0.650 m/s to the right.
1. What was the speed vAi of puck A before the collision?
2. Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision.
a)
final velocity of the puck A is given by
v2 = (m1 - m2) u1 / ( m1 + m2)
- 0.119* ( 0.366 + 0.254) = ( 0.254 - 0.366) u1
u1 = 0.65875 m/s, to the right
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b) initial kE
kEi = 0.5* m1 u1^2 = 0.5* 0.254* 0.65875^2 = 0.0551 J
final KE
kEf = 0.5* ( 0.254* 0.119^2 + 0.366* 0.65^2) = 0.07911 J
change in kE = 0.024 J
On a frictionless horizontal air table, puck A (with mass 0.254 kg ) is moving toward...
On a frictionless horizontal air table, puck A (with mass 0.249 kg ) is moving toward puck B (with mass 0.367 kg ), which is initially at rest. After the collision, puck A has velocity 0.115 m/s to the left, and puck B has velocity 0.650 m/s to the right. What was the speed vAi of puck A before the collision? Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision.
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On a frictionless horizontal air table, puck A (with mass 0.255 kg ) is moving toward puck B (with mass 0.372 kg ), which is initially at rest. After the collision, puck A has velocity 0.120 m/s to the left, and puck B has velocity 0.653 m/s to the right. Q1: What was the speed vAi of puck A before the collision? Q2: Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision....
On a frictionless horizontal air table, puck A (with mass 0.246 kg ) is moving toward puck B (with mass 0.369 kg ), which is initially at rest. After the collision, puck A has velocity 0.119 m/s to the left, and puck B has velocity 0.647 m/s to the right. What was the speed vAi of puck A before the collision?
On a frictionless horizontal air table, puck A (with mass 0.252 kg ) is moving toward puck B (with mass 0.368 kg ), which is initially at rest. After the collision, puck A has velocity 0.125 m/s to the left, and puck B has velocity 0.650 m/s to the right. What was the speed vAi of puck A before the collision?
On a frictionless horizontal air table, puck A (with mass 0.247 kg ) is moving toward puck B (with mass 0.369 kg ), which is initially at rest. After the collision, puck A has velocity 0.117 m/s to the left, and puck B has velocity 0.654 m/s to the right. Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision.
On a frictionless horizontal air table, puck A (with mass 0.252 kg ) is moving toward puck B (with mass 0.371 kg ), which is initially at rest. After the collision, puck A has velocity 0.125 m/s to the left, and puck B has velocity 0.655 m/s to the right. Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision.