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A 60 kg woman stands at the rim of a horizontal turntable having a moment of inertia of 500 kg-m2 and a radius of 2.0 m. The turntable is initially at rest and is free to rotate about a frictionless, vertical axle through its center. The woman starts walking around the rim clockwise, as viewed from above, at a constant speed of 1.5 m/s.
a. In what direction and with what angular speed does the turntable rotate?
b. How much work does the woman do to set herself and the turntable into motion?
An automobile with 0.200 m radius tires travels 70,000 km before wearing them out. How many revolutions do the tires make
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27 °C. A 500-g sample of silver at an initial temperature of 87 °C is placed in the water. Calculate the mass of the aluminum cup
If a car traveling at 66 km/h will skid 22 m when its brakes lock, how far would it skid if it is traveling at 120 km/h when its brakes lock.
Explain why do we place guards over capacitors and where does the guard voltage come into play when using an analogue L-C meter to probe the capacitance?
what is the final position of the man. What is the magnitude of the electric field (in N/C) at the point (-2.0 m, 3.0 m).
Find out the velocity with which he strikes the water. (Hint: When the diver reaches the water, his displacement is y = -3 m (measured from the board), assuming that the downward direction is chosen as the negative direction.)
Illustrate the basic environments (legal, social, economic) in which a business operates. You are encouraged to use the library for additional sources to support your description. Remember to use APA format for in-text citations and aligned refer..
A polarized light beam, with a 7.33-mm-diameter circular cross section, is perpendicularly incident on an ideal polarizer, What force in piconewtons does the light exert on the polarizer
A person whose mass is m = 97.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle ? = 25.3° with the horizontal
Find out the intensity if the frequency is increased to 2.90 kHz while constant displacement amplitude is maintained.
Two boxes of masses m1 = 20.0 kg and m2=40.0 kg are connected by a rope through a pulley that has a uniform wheel of mass M=10.0 kg
A photon with wavelength 0.02680 nm strikes a free electron that is initially at rest. What is the de Broglie wavelength of the electron after its collision with the photon
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