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A hollow spherical shell has mass 7.90kg and radius 0.210m . It is initially at rest and then rotates about a stationary axis that lies along a diameter with a constant acceleration of 0.900rad/s^2 . What is the kinetic energy of the shell after it has turned through 6.00rev?
Suppose you hold a f=5.0 cm magnifying glass 3.0 cm from a 2.0 mm high ant. how large is the image of the ant
A 95 kg man standing on a surface of negligible friction shoves a 75 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man obtain accordingly.
An electromagnetic velocity filter (sometimes called a Wien filter) is used in a variety of experiments and other applications, such as electron microscopes, in which we need a beam of charged particles all going at the same speed. Generally the s..
Thor throws his war hammer at an 1800 kg car initially at rest and it becomes embedded within it. with what speed do the car and hammer move just after the collision
Monochromatic light falls on two very narrow slits 0.050 mm apart. Determine the wavelength (in nm) and frequency of the light
The x position of (a) is 8.6 m. The y position of (b) is 8.68 m. The wave travels at a speed of 3.2 m/s. What is the amplitude of the wave?
The resolving power of a microscope depends on the wavelength used. If you wanted to "see" an atom, a wavelength of approximately 1 × 10-11 m would be required.
An 80 kg spacewalking astronaut pushes off a 640 kg satellite, exerting the 100N force for the 0.50 s it takes him to straighten his arms.
Earlier we described the fact that entrepreneurs score significantly lower than managers on agreeableness. Explain how would you reconcile this finding with Sutton's point?
If it takes an average force of 8.79 N to push a 4.35-g dart 4.65 cm into a dart gun, assuming the barrel is frictionless, how fast will the dart exit the gun
Assume that the reactor operates 80% of the time, that all the energy generates arises from the fission of 92U235 and that this nucleii is consumed only by the fission process.
A stone is thrown vertically upward with a speed of 12.3 m/s from the edge of a cliff 84.6m high. What is the speed just before hitting.
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