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Two wheels with rotational inertias of 1.0 kg m^2 and 1.5 kg m^2 are rotating on the same axis at 20 rads and 12 rads respectively, in opposite directions. If the wheels are suddenly coupled together, find the common angular speed of the wheels after being coupled.
A system of 1454 particles, each of which is either an electron or a proton, has a net charge of -7.456×10-17 C. How many protons are in this system
a spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. the inner sphere
A carbon dioxide laser is an infrared laser. A CO2 laser with a cavity length of 53.00 cm oscillates in the m=100,000 mode. What is the wavelength of the laser beam
Describe the interference of two wave pulses with different amplitudes if they are a) in phase and b) completely out of phase
A simple pendulum is made from a 0.76-m-long string and a small ball attached to its free end. The ball is pulled to one side during a small angle and then released from rest. After the ball is released, how much time elapses before it attains its gr..
An electron in a television picture tube has a classical kinetic energy of 60 keV, which is the kinetic energy that Newton would calculate using the measured speed, What is the actual kinetic energy of the electron
A 0.520 kg block of wood hangs from the ceiling by a string, and a 0.0700 kg wad of putty is thrown straight upward, How high does the putty-block system rise above the original position of the block
When a switch is closed, the current in a wire is given as i(t)= 1.0Aexp(-.5t). How much charge will flow out if the switch is closed forever
Next you eliminate the 11 kg mass, place the rod horizontally, and strike one end with a hammer. How much time t would elapse before a microphone at the other end of the bar will detect a disturbance.
two equally charged particles held 4.0 x 10-3 m apart are released from rest. the initial acceleration of the first
An object is located 13.5 cm in front of a convex mirror, the image being 7.45 cm behind the mirror. A second object, twice as tall as the first one, is placed in front of the mirror, but at a different location.
A box of mass 0.500 kg hangs from a vertical spring with k =30.0 N/m. The box is at rest at the spring’s equilibrium positionwhen a lump of putty with mass 0.100 kg falls on the box from above and sticksto it. Just before striking the box the putt..
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