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A person pulls a 11-kg toboggan for a distance of 3.5 m on a horizontal sheet...

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Physics

A person pulls a 11-kg toboggan for a distance of 3.5 m on ahorizontal sheet of ice (frictionless) with a rope directed 25.0ºabove the horizontal snowy surface. The tension in the rope is 88N. There is also a zephyr (soft gentle breeze) in the oppositedirection of the motion applying a 11.0 N force.

(a) How much net work is done on the toboggan by ALL the forcesacting on it?

(b) If the toboggan starts from rest, how fast is it movingafter the 3.5 m distance?

(c) Use Dimensionality sense-making to check the expression youderive in part (b).

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