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Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel directly away from each other, the boy with a velocity of v = 0.760 m/s to the left. If the boy weighs 715 N and the girl weighs 480 N, what is the girl's velocity (in m/s) after they push off? (Consider the ice to be frictionless.)

Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel directly away from each other, the boy with a velocity of v = 0.760 m/s to the left. If the boy weighs 715 N and the girl weighs 480 N, what is the girl's velocity (in m/s) after they push off? (Consider the ice to be frictionless.)

College Physics
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
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Two ice skaters stand together as illustrated in Figure (a) below. They "push off" and travel directly away from each other, the boy with a velocity of

v = 0.760 m/s

to the left. If the boy weighs 715 N and the girl weighs 480 N, what is the girl's velocity (in m/s) after they push off? (Consider the ice to be frictionless.)


The image depicts two people standing on ice, facing each other with their hands touching. They appear to be preparing to perform a physics demonstration or activity, possibly involving concepts like motion or balance. The setting is simple, emphasizing their interaction and positioning on the ice. The image is labeled "(a) Before," suggesting it is part of a sequence showing a change or process.
Transcribed Image Text:The image depicts two people standing on ice, facing each other with their hands touching. They appear to be preparing to perform a physics demonstration or activity, possibly involving concepts like motion or balance. The setting is simple, emphasizing their interaction and positioning on the ice. The image is labeled "(a) Before," suggesting it is part of a sequence showing a change or process.
The image shows two individuals on an ice rink, both wearing skates and facing each other with outstretched hands. This setup is commonly used to demonstrate the principles of momentum and Newton's Third Law of Motion. In the illustration labeled "(b) After," the person on the left is depicted moving to the left at a speed of 0.50 meters per second (m/s) after pushing against the person on the right. An arrow above this person indicates this direction of movement. There is also an arrow above the person on the right pointing to the right, labeled with a question mark to indicate an unknown speed. This suggests that the speed needs to be determined based on principles of physics, such as the conservation of momentum. The concept depicted here is that when two skaters push off each other, they exert equal and opposite forces, resulting in movement in opposite directions. The unknown speed can potentially be found using the concepts of mass and velocity to calculate momentum.
Transcribed Image Text:The image shows two individuals on an ice rink, both wearing skates and facing each other with outstretched hands. This setup is commonly used to demonstrate the principles of momentum and Newton's Third Law of Motion. In the illustration labeled "(b) After," the person on the left is depicted moving to the left at a speed of 0.50 meters per second (m/s) after pushing against the person on the right. An arrow above this person indicates this direction of movement. There is also an arrow above the person on the right pointing to the right, labeled with a question mark to indicate an unknown speed. This suggests that the speed needs to be determined based on principles of physics, such as the conservation of momentum. The concept depicted here is that when two skaters push off each other, they exert equal and opposite forces, resulting in movement in opposite directions. The unknown speed can potentially be found using the concepts of mass and velocity to calculate momentum.
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