In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The directions of three velocities before (i) and after (f) the collision are indicated in the figure; the corresponding speeds are vAi =1.9 m/s, vBi =4.9 m/s, and vBf =2.5 m/s.What are the (a) magnitude and (b) direction (left or right) of velocity Vaf? (c) Calculate the total kinetic energy of the system before and after the collision. Is the collision elastic? V BÍ

University Physics Volume 1
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Author:William Moebs, Samuel J. Ling, Jeff Sanny
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Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 41P: Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and...
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In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The directions of three velocities before (i) and after (f) the collision are indicated in the figure; the corresponding speeds are vAi =1.9 m/s, vBi =4.9 m/s, and vBf =2.5 m/s.What are the (a) magnitude and (b) direction (left or right) of velocity vAf ? (c) Calculate the total kinetic energy of the system before and after the collision. Is the collision elastic?

In Figure, block A (mass 0.8 kg) slides into
block B (mass 1.2 kg), along a frictionless surface.The
directions of three velocities before (i) and after (f) the
collision are indicated in the figure; the corresponding
speeds are vAi =1.9 m/s, vBi =4.9 m/s, and vBf =2.5
m/s.What are the (a) magnitude and (b) direction (left or
right) of velocity Vaf? (c) Calculate the total kinetic
energy of the system before and after the collision. Is the
collision elastic?
V BÍ
Transcribed Image Text:In Figure, block A (mass 0.8 kg) slides into block B (mass 1.2 kg), along a frictionless surface.The directions of three velocities before (i) and after (f) the collision are indicated in the figure; the corresponding speeds are vAi =1.9 m/s, vBi =4.9 m/s, and vBf =2.5 m/s.What are the (a) magnitude and (b) direction (left or right) of velocity Vaf? (c) Calculate the total kinetic energy of the system before and after the collision. Is the collision elastic? V BÍ
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