17. || A speed skater moving to the left across frictionless ice at 8.0 m/s hits a 5.0-m-wide patch of rough ice. She slows steadily, then con- tinues on at 6.0 m/s. What is her acceler- ation on the rough ice?

17. || A speed skater moving to the left across frictionless ice at 8.0 m/s hits a 5.0-m-wide patch of rough ice. She slows steadily, then con- tinues on at 6.0 m/s. What is her acceler- ation on the rough ice?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 15CQ: When you take off in a jet aircraft, there is a sensation of being pushed back into the seat....

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

17. || A speed skater
moving to the left
across frictionless
ice at 8.0 m/s hits a
5.0-m-wide patch of
rough ice. She slows
steadily, then con-
tinues on at 6.0 m/s.
What is her acceler-
ation on the rough
ice?

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