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A person pushes a 13.6-kg shopping cart at a constant velocity for a distance of 33.1 m on a flat horizontal surface. She pushes in a direction 23.3 ° below the horizontal. A 40.3-N frictional force opposes the motion of the cart.
(a) What is the magnitude of the force that the shopper exerts? Determine the work done by
(b) the pushing force,
(c) the frictional force, and
(d) the gravitational force.
A person desires to reach a point that is 3.40 km from her present location and in a direction that is 350 north of east. However, she must travel along streets that are oriented either north-south or east-west. What is the minimum distance she mi..
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