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A charged isolated metal sphere of diameter 13 cm has a potential of 9800 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere.
A vessel which contains an ice-water mixture at 0C is in thermal contact with a water-steam mixture at 100 C. What is the change in the entropy of the water-steam mixture at 100C
Laser light of wavelength 400 nm illuminates an array of very narrow slits, producing an interference pattern on a screen 70 cm from the slits. compute the separation between the slits
A 2.18-m-long diving board of mass 13.2kg is 3.00m above the water. It has two attahcments holding it in place. Assuming that the board has a uniform density, find the force acting on each attachment
A 2.11-cm2 wafer of pure silicon is irradiated with electromagnetic radiation having a wavelength of 775 nm. How many electron-hole pairs are produced in one second
A 605 N woman climbs a staircase that rises at 47 degrees above the horizontal and is 4.70 m long. Her speed is a constant 40.0 cm/s. How much work has gravity done on her as she climbed the stairs
For the two conducting balls as described in problem 1, when one ball is attached to a torsion balance the wire is twisted by a torsional angle of 1°. find the torsion constant of the wire
A woman on a 10 speed bicycle travels at 9 m/s relative to ground as a she passes a little boy on a tricycle going in the opposite direction. If the boy is travelling at 1m/s relative to the ground, how fast does the boy appear to be moving relati..
When certain light rays pass from a vacuum into a block of an unknown material, What is the speed of light inside the block
A motorcycle accelerates uniformly from rest and reaches a linear speed of 20.4 m/s in a time of 8.91 s. What is the magnitude of the angular acceleration of each tire
A copper pipe with an outer radius of 0.011 m runs from an outdoor wall faucet into the interior of a house. Find the inner radius of the pipe
Consider two masses that hang from an overhead beam. The first mass of 62.9 kg is attached to the beam using an ideal rope. Find the tension in the lower rope
If the column is 2.30m in length before being stressed, what is the decrease in length
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