Consider the two pucks shown in the figure. As they move towards each other, the momentum of each puck is equal in magnitude and opposite in direction. Given that 1 Vi, green = 7.0 m/s, and mplue is 35.0% greater than mareen, what are the final speeds of each puck (in m/s), if the kinetic energy of the system is converted to internal energy? 130.0° 30.0 L- 6.68 Vgreen Write the initial momentum of the system to find the blue puck's initial velocity, noting that because the initial momenta of the two pucks are equal in magnitude and opposite in direction, they sum to zero. Use the relationship that m, = 1.35 m,. Then, write expressions for the initial and final kinetic energies of the system, set - the initial kinetic energy equal to the final kinetic energy, and solve the initial momentum and final kinetic energy equations for the final speeds. m/s Vblue m/s

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Consider the two pucks shown in the figure. As they move towards each other, the momentum of each puck is equal in magnitude and opposite in direction. Given that
V;
= 7.0 m/s, and mblue is 35.0% greater than m,
what are the final speeds of each puck (in m/s), if -
the kinetic energy of the system is converted to internal
i, green
'green'
energy?
130.0
30.0
V
green
= 6.68
Write the initial momentum of the system to find the blue puck's initial velocity, noting that because the initial momenta of the two pucks are equal in magnitude and
1.35 mg
1
Then, write expressions for the initial and final kinetic energies of the system, set
2
opposite in direction, they sum to zero. Use the relationship that m,
=
the initial kinetic energy equal to the final kinetic energy, and solve the initial momentum and final kinetic energy equations for the final speeds. m/s
V
blue
m/s
=
Need Help?
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Transcribed Image Text:Consider the two pucks shown in the figure. As they move towards each other, the momentum of each puck is equal in magnitude and opposite in direction. Given that V; = 7.0 m/s, and mblue is 35.0% greater than m, what are the final speeds of each puck (in m/s), if - the kinetic energy of the system is converted to internal i, green 'green' energy? 130.0 30.0 V green = 6.68 Write the initial momentum of the system to find the blue puck's initial velocity, noting that because the initial momenta of the two pucks are equal in magnitude and 1.35 mg 1 Then, write expressions for the initial and final kinetic energies of the system, set 2 opposite in direction, they sum to zero. Use the relationship that m, = the initial kinetic energy equal to the final kinetic energy, and solve the initial momentum and final kinetic energy equations for the final speeds. m/s V blue m/s = Need Help? Read It
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