student is pulling her wagon along a flat level ground with a 50.0N force 30 degrees above the horizontal. This applied force is against a horizontal frictional force of 30.0 N. If the student travels 8.00 meters east, how much work is done by the friction? A. 208J B. -240J C. -208J D. 240J
student is pulling her wagon along a flat level ground with a 50.0N force 30 degrees above the horizontal. This applied force is against a horizontal frictional force of 30.0 N. If the student travels 8.00 meters east, how much work is done by the friction? A. 208J B. -240J C. -208J D. 240J
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 7PE: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...
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A student is pulling her wagon along a flat level ground with a
50.0N force 30 degrees above the horizontal. This applied force
is against a horizontal frictional force of 30.0 N. If the student
travels 8.00 meters east, how much work is done by the
friction?
A. 208J
B. -240J
C. -208J
D. 240J
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