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A bicycle wheel that has a radius equal to 28cm is mounted at the centre of a 50cm long axle. The tire and rim weigh 30N. Te wheel is spun at 12rev/s and the axle is then placed in a horizontal position by one end resting on a pivot. a) What is the angular momentum due to the spinning of the wheel? (Treat the wheel as a hoop) b) What is the angular velocity of precession? c) How long does it take for the axle to swing through 360 degrees around the pivot? d) What is the angular momentum associated with the motion of the center of mass, that is, due to the precession? In what direction is this angular momentum?
The mass of the Venus is about 0.82 the mass of the earth, its radius is 0.95 that of the earth, compute the acceleration due to gravity on the Venus's surface
A cube of wood and a cube of concrete, each 0.17 m on a side, are placed side by side. What is the total rate of heat transfer through the cubes
Calculate velocity of electron in first Bohr orbit of hydrogen atom (Given r = a0). Find de-Broglie wavelength of the electron in first Bohr orbit
at a time when mining asteroids has become feasible astronauts have connected a line between their 3130-kg space tug
The moon's diameter is 3.48 × 106 m, and its mean distance from the earth is 3.85 × 108 m. Find the diameter of the moon's image on the slide film
Consider three capacitors having capacitances of 5.51, Find their equivalent capacitance if they are connected for both: in parallel and in series
A force is applied to an initially stationary block of mass 3.60 kg that sits on a horizontal floor as shown. The 47.6 N force is applied at ? = 58° angle. The coefficients of friction between the floor and the block are ?s = 0.453 and ?k = 0.203. Wh..
An oscillator with a mass of 420 g and a period of 0.900 s has an amplitude that decreases by 1.90 percent during each complete oscillation.
A stationary proton is accelerated through a potential difference of 83.5 KV. what speed did the proton acquire by using work-energy theorem
A baseball is thrown horizontally off a cliff at 17 m/s. How far from the base of the cliff will the baseball hit the ground? The cliff is 81 m high
Two cars traveling with the same speed move directly away from one another. What is the speed of the cars
Consider a fusion reaction in which a proton fuses with a neutronto form a deuterium nucleus. How much energy (in MeV) is released in this reaction
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