A regulation hockey puck (m1 = 0.17 kg) slides on a frictionless ice sheet with an initial velocity of vli = 6.0 m s j. It collides with a stationary second puck (a softer, lighter child's puck with mass m2 = 0.1 kg). After the collision the velocity of the first puck is v1 f = 3.0 m s î+ 3.0 m s j. Consider a system that includes both pucks together. (a) Find the x-component of the second puck's velocity after the collision. (b) Find the y-component of the second puck's velocity after the collision. (c) By how much did the kinetic energy of the system change as a result of the collision? %3D %3D

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Chapter1: Units, Trigonometry. And Vectors
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A regulation hockey puck (m1 = 0.17 kg) slides on a frictionless ice sheet with an initial velocity
of vli = 6.0 ms j. It collides with a stationary second puck (a softer, lighter child's puck with
mass m2 = 0.1 kg). After the collision the velocity of the first puck is v1f = 3.0 m s î+ 3.0 m s j.
Consider a system that includes both pucks together.
(a) Find the x-component of the second puck's velocity after the collision.
(b) Find the y-component of the second puck's velocity after the collision.
(c) By how much did the kinetic energy of the system change as a result of the collision?
(d) What kind of a collision was this (circle one)?
%3D
2.
Transcribed Image Text:A regulation hockey puck (m1 = 0.17 kg) slides on a frictionless ice sheet with an initial velocity of vli = 6.0 ms j. It collides with a stationary second puck (a softer, lighter child's puck with mass m2 = 0.1 kg). After the collision the velocity of the first puck is v1f = 3.0 m s î+ 3.0 m s j. Consider a system that includes both pucks together. (a) Find the x-component of the second puck's velocity after the collision. (b) Find the y-component of the second puck's velocity after the collision. (c) By how much did the kinetic energy of the system change as a result of the collision? (d) What kind of a collision was this (circle one)? %3D 2.
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