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

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ISBN:9781305952300

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Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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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

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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