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Compute each part of given problem:
Problem: The angular position of a point on the rim of a rotating wheel is given by theta = 2.7t + 4.8t2 + 1.5t3, where theta is in radians if t is given in seconds.
Part I: What is the angular speed at t = 2.0 s?
Part II: What is the angular speed at t = 6.0 s?
Part III: What is the average angular acceleration for the time interval that begins at t = 2.0 s and ends at t = 6.0 s?
Part IV: What is the instantaneous angular acceleration at t = 6.0 s?
I want you to explain the physics in this problem.
How much work should Denise do to drag her basket of laundry of mass 6.0 kg a distance of 3.0 m along a floor, if the force she exerts is a constant 50.0 N at an angle of 70.0° with the horizontal.
a family wishes to purchase a heat pump for their home. The get-it-cheap co. sells a heat pump that has an operating performance 38% of the coefficient of performance of an ideal Carnot heat pump. Compute the overall coefficient of performance for ..
A soap film whose index of re%uFB02ecetion is 1.33 is suspended in air. When sunlight strikes the film nearly perpendicularly, two colors, Find the thickness of the film
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Two protons are moving directly toward one another. When they are very far apart, What is the distance of closest approach
The image produced by a converging lens is typically a dissimilar size from the object itself, but, for a lens with focal length there is one object distance that will yield an image the similar size as the object. What is that object distance?
A man pushes an 80N crate a distance of 5m upward along africtionless slope that makes an angle 30o withthe horizontal. how much work is done by the man
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