gvfsdgdef950 gvfsdgdef950

19-10-2017
Physics

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A 7 kg sled is initially at rest on a horizontal road. the sled is pulled a distance of 2.9 m by a force of 42 n applied to the sled at an angle of 30o to the horizontal. find the change in the kinetic energy of the sled.

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rebecca3794 rebecca3794

26-10-2017

I have no idea on this question.

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