A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the given displacementAf = (3.21 m) î + (2.71 m)ĵDuring the same interval of time, the wind exerts the given constant force F on the boat.F = (269 N)î – (131 N)ĵWhat is the total work done on the boat by the wind over this period of time?work:JWhat is the angle between the direction of the wind force and the direction of the boat's motion during this time interval?angle:

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A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the give A7. AF = (3.21 m) î + (2.71 m)ĵ During the same interval of time, the wind exerts the given constant force F on the boat. F = (269 N) î – (131 N)ĵ

A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the give A7. AF = (3.21 m) î + (2.71 m)ĵ During the same interval of time, the wind exerts the given constant force F on the boat. F = (269 N) î – (131 N)ĵ

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 100CP: The surface of the preceding problem is modified so that the coefficient of kinetic friction is...

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Question

A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the given displacement
Af = (3.21 m) î + (2.71 m)ĵ
During the same interval of time, the wind exerts the given constant force F on the boat.
F = (269 N)î – (131 N)ĵ
What is the total work done on the boat by the wind over this period of time?
work:
J
What is the angle between the direction of the wind force and the direction of the boat's motion during this time interval?
angle:

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