Forces: A. A force is called conservative if: a. It has a magnitude of less than 0.9N b. It cannot be resolved into x & y components c. Only friction is a conservative force. d. The work done by the force between two points is independent of the shape of the path connecting the points. B. An object is dropped from the top of a 30.0 m tall building. Neglecting air resistance, use conservation of energy to calculate how fast it’s going just as it reaches the ground.
Forces: A. A force is called conservative if: a. It has a magnitude of less than 0.9N b. It cannot be resolved into x & y components c. Only friction is a conservative force. d. The work done by the force between two points is independent of the shape of the path connecting the points. B. An object is dropped from the top of a 30.0 m tall building. Neglecting air resistance, use conservation of energy to calculate how fast it’s going just as it reaches the ground.
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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Forces:
A. A force is called conservative if:
a. It has a magnitude of less than 0.9N
b. It cannot be resolved into x & y components
c. Only friction is a conservative force.
d. The work done by the force between two points is independent of the shape of the path connecting the points.
B. An object is dropped from the top of a 30.0 m tall building. Neglecting air resistance, use conservation of energy to calculate how fast it’s going just as it reaches the ground.
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