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The wheel weighs 70 kg, and is 120 cm in diameter. you mount the wheel by its central axis, wrap a string around the outer rim of the wheel and hang a 20 kg sandbag from the string, then allow it to drop from rest. The bag drops 3.77 m in 1.6 s.
A) What is the angular velocity of the wheel at the end of the fall?
B) Use energy methods to calculate the moment of inertia of the wheel.
C) Calculate the moment of inertia of the wheel as modelled by a hoop with radius of 60 cm.
D) Explain why your result in (B) was greater/less/ equal to you answer in (C)
The power required by an ice maker is 225 W and is the rate at which it does work. determine the maximum amount of ice the unit can produce in one day
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What minimum coefficient of static friction is required? Is the reply you found reasonable? In other words, is he probable to stay on the merry-go-round.
A ski tow operates on a slope of angle 14.8? of length 250m . The rope moves at a speed of 12.4km/h, Estimate the power required to operate the tow
Consider an electron in a square infinite well whose sides have length 0.05 nm. What are the values of the lowest eight eigenvalues
n unmarked police car traveling a constant 95 km/h is passed by a speeder traveling 130 km/h. how much time passes before the police car overtake the speeder
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.60 m/s2 over a distance of 19.4 cm. Find the total time the block is in motion
A lens forms an image of an object. The object is 16.0 cm from the lens. is it erect or inverted
During the collision with the ground, he comes to rest in a time of .101 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. Elucidate from what height did the student f..
A current of -3.70 A is located 5.51 cm along the x axis, that is, at the point (5.51,0.00) cm. A current of -6.15 A is located 4.08 cm along the y axis, Find the magnetic field at the origin
300 J of work are done to compress the gas as, in the same process, 1200 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
A high diver of mass 50.0 kg jumps off a board 10.0 m above the water. what average force did the water exert on her
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