Aphysics professor is pushed up a ramp inclined upward at 30.0° above the horizontal as she sits in her desk chair, which slides on frictionless rollers. the combined mass of the professor and chair is 85.0 kg. she is pushed 2.50 m along the incline by a group of students who together exert a constant horizontal force of 600 n. the professor’s speed at the bottom of the ramp is 2.00 m> s. use the work–energy theorem to find her speed at the top of the ramp.
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Aphysics professor is pushed up a ramp inclined upward at 30.0° above the horizontal as she sits in...
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