Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), are practicing, Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving 13.0 m/s before she collides with him. After collision, Rebecca has a velocity of magnitude 8.00 m/s at an angle of 53.0o from her initial direction. Both skaters move on a frictionless, horizontal surface of the rink. A. What are the magnitude and direction of Daniel’s velocity after the collision? B. What is the change in the total kinetic energy of the two skaters as a result of the collision?
Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg), are practicing, Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving 13.0 m/s before she collides with him. After collision, Rebecca has a velocity of magnitude 8.00 m/s at an angle of 53.0o from her initial direction. Both skaters move on a frictionless, horizontal surface of the rink. A. What are the magnitude and direction of Daniel’s velocity after the collision? B. What is the change in the total kinetic energy of the two skaters as a result of the collision?
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 28P: The vector position of a 3.50-g particle moving in the xy plane varies in time according to...
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Two ice skaters, Daniel (mass 65.0 kg) and Rebecca (mass 45.0 kg),
are practicing, Daniel stops to tie his shoelace and, while at rest, is
struck by Rebecca, who is moving 13.0 m/s before she collides with
him. After collision, Rebecca has a velocity of magnitude 8.00 m/s at
an angle of 53.0o from her initial direction. Both skaters move on a
frictionless, horizontal surface of the rink. A. What are the
magnitude and direction of Daniel’s velocity after the collision? B.
What is the change in the total kinetic energy of the two skaters as
a result of the collision?
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