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A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 24.0...

A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 24.0 m. She pushes in a direction 30.0° below the horizontal. A 30.0-N frictional force opposes the motion of the cart.

(a) What is the magnitude of the force that the shopper exerts?
N

(b) Determine the work done by the pushing force.
J

(c) Determine the work done by the frictional force.
J

(d) Determine the work done by the gravitational force.
J

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