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A lazy Susan consists of a heavy plastic disk mounted on africtionless bearing resting on a vertical shaft through itscenter. The cylinder has a radius R = 10 cm and mass M = 0.23 kg. A cockroach (mass m = 0.015 kg) ison the lazy Susan, at a distance of 10 cmfrom the center. Both the cockroach and the lazy Susan areinitially at rest. The cockroach then walks along a circular pathconcentric with the axis of the lazy Susan at a constant distanceof 10 cm from the axis of the shaft. Ifthe speed of the cockroach with respect to the lazy Susan is 0.01m/s, what is the speed of the cockroach with respect to the room?
Five objects, each of mass M, are equally spaced on the arc of a semicircle of radius R, find gravitational field at the center of curvature of the arc
A 6 in diameter concrete test cylinder is subjected to a compressive load P = 110 kips. determine the normal stress and shear stress on the failure plane at failure
A horizontal light ray is incident on a plate glass prism, where ? = 28.5°. Calculate the angle of deviation ? of the ray --- the angle that the ray emerging from the prism makes with the incident ray. (in deg) A: 1.58×101 B: 2.10×101 C: 2.80×101 D: ..
A solenoid of radius 2.4 cm has 420 turns and a length of 16 cm. Find the rate at which current must change
An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this
Two identical insulating balls are suspended by a seperate 0.25m threads that are attached to a common point on a ceiling. Each ball has a mass of 8.0 x 10E-4 Kg. At first the balls are uncharged and hang straight down.
At the Winter Olympics, an athlete rides her luge down the track while a bell just above the wall of the chute rings continuously. Find the speed of the athlete
The first-order bright fringe is a distance of 4.84 from the center of the central bright fringe. For what wavelength of light would the first-order dark fringe be observed at this similar point on the screen.
The Earth is showered with particles from space known as muons. What will be the radius of the muon's resulting orbit
A 0.050-kg lump of clay moving horizontally at 12 m/s strikes and sticks to a 0.15-kg cart that can move on a frictionless air track. Determine the speed of the cart and clay
A farm boy studying physics believes that he can fit a 15.0m long pole into a 12.0m long barn if he runs fast enough, How does this fit with the idea that when he is running the barn looks even shorter to him than 12.0m
It takes a student t = 7.6 s to push a block m = 11 kg at a constant velocity over a distance of d = 8.2 m. Write an expression for the energy required to move the block along this path in terms of the variables provided
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