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A bug of mass m crawls with a constant speed v' along the spoke of a wheel that is rotating with angular velocity ?. The plane of the wheel is horizontal.
a) Find all apparent forces acting on the bug if the spoke of the wheel is directed radialy outward from the center. Indicate clearly the direction of all of these forces.
b) Find how far the bug can crawl from the center of the wheel before it starts to slip. The coefficient of static friction between bug and spoke is µ_s.
Once the station is completed, it is set rotating at a rate that requires an object at the rim to have radial acceleration, thereby simulating Earth's surface gravity. This is accomplished using two small rockets, each with 130 thrust that are mounte..
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×106N , one at an angle 10.0? west of north, What is the total work done by the two tugboats on the supertanker
A 3.0kg block rests on a tabletop. A 6.00 g bullet moving horizontally with a speed of 180 m/s is shot into the block and sticks in it. Find the speed of block just after full impact
The process is claimed to produce 2000 J/min of work and to require an undisclosed amount of heat transfer with a heat reservoir at 300 K. Should inventor be issued a patent of this device.
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A copper kettle contains water at 22.8° C. When the water is heated to its boiling point, Determine the volume of the kettle at 22.8° C
Define proton-proton chain efficiently
Calculate the absorbed dose in Gy to the skin of a person which receives 1500 ergs/gm of beta radiation from a cloud of radioactive krypton-85 gas.
The coefficient of performance of a refrigerator is 3.4. The compressor uses 20 J of energy per cycle. How much heat energy is exhausted per cycle
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