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A yo-yo of mass 0.10kg and a radius of 0.03 m is released from rest, with the free end of the yo-yo string held fixed. The yo-yo travels downward. Find the acceleration of the yo-yo. Hint when calculating the torque on the yo-yo, use the center as your pivot point. The moment of Inertia of the yo-yo is MR^2/ 2.
Two charged spherical conductors are connected by a long conducting wire, and a charge of 15 μC is placed on the combina- tion. One sphere has a radius of 4.05cm and the other a radius of 6.05cm.
what is the absolute magnitude of the force on each charge?
Oxygen (O2) gas within a piston-cylinder assembly undergoes an expansion from a volume V1= 0.02 m3 to volume V2 = 0.03 m3. The relationship between pressure and volume throughout the procedure is p=AV-1+B, where A= 0.06 bar.m3 and B= 3.0 bar. For the..
If the bullet has a mass of 21.5 and a speed of 310 , how high would the block rise into the air after the bullet becomes embedded in it.
A mass m1 is hanging from a light cord which is strung over a pulley of moment of inertia I and radius R0, What are the tensions in each part of the light cord
A water pipe having a 2.9 cm inside diameter carries water into the basement of a house at a speed of 0.87 m/s and a pressure of 174 kPa, What is the speed and water pressure at the second floor
If the balloon is 24.9 cm in diameter when child loses it, what is its diameter at an altitude of 1510 m? Assume that the balloon is very flexible and so surface tension can be neglected.
A horse canters away from its trainer in a straight line, moving 150m away in 14 sec. It then turns abruptly and gallops halfway back in 4.5 sec.
When he reaches equator, the sphere is rotating at how many rpm. A car takes 9 s to go from v = 0 to v = 55 m/s at about constant acceleration.
The skater farthest out has a mass of 80.0 kg and is 6.40 m from the pivot. He is skating at a speed of 6.50 m/s. Describe the magnitude of the centripetal force that acts on him.
What was the bullet's flight time. A marble is thrown horizontally with a speed of 11 m/s from the top of a building. When it strikes the ground, the marble has a speed that makes an angle 38° with the horizontal. From what height above the ground..
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts. In this device, an arm 8.84m long rotates about one end in a horizontal plane, and the..
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