A 0.25 slug (3.6 kg) object begins moving at 46 mph (20.6 m/s). A force slows it down to 37 mph (16.5 m/s) while it ends up moving to the right relative to the original direction of motion. (a) Assuming no other forces on the object, what is the work done by the force?(b) Is energy being added or removed from the system by the force?

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Chapter5: Energy
Section: Chapter Questions
Problem 8P: A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless horizontal table by...
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A 0.25 slug (3.6 kg) object begins moving at 46 mph (20.6 m/s). A force slows it down to 37 mph (16.5 m/s) while it ends up moving to the right relative to the original direction of motion. (a) Assuming no other forces on the object, what is the work done by the force?(b) Is energy being added or removed from the system by the force?

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