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A solid spherical conductor of radius 20 cm has a charge Q = 25 nC on it. A second, initially uncharged, spherical conductor of radius 12 cm is moved toward the first until they touch and is then moved far away from it. How much charge is there on the second sphere after the two spheres have been separated?
Write down the wave function for the ground state of an electron in a hydrogen atom in spherical coordinates. What are n, l, and m? Compute the expectation value (r), in Angstroms.
A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m3 of water and the surface area of the bottom of the container is 4.64 m2. The height of the lower part of the container is ..
Pool players often pride themselves on their ability to impart a large speed on a pool ball. At what speed did his pool ball hit the ground
A string is stretched between fixed supports separated by 73.0 cm. It is observed to have resonant frequencies of 390, What is the wave speed for this string
You need a diffraction grating that will disperse the visible spectrum (400nm to 700nm ) through 35.0 degrees in the first-order pattern. What must be the line density of this grating
The small piston of a hydraulic lift has a diameter of 8.70 cm , and its large piston has a diameter of 44.0 cm. Determine the pressure applied to the fluid in the lift
2 mol of a diatomic ideal gas expand adiabatically and quasi-statically. The initial temp of the gas is 300K, What is the final temp of the gas
The current in the circuit if the speed v is 0.75 m/s , determine which end of the rod is positive.
A 300g ball swings in a vertical circle at the end of a 1.3-m-long string. When the ball is at the bottom of the circle, the tension in the string is 12N
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. (a) Find the ball's initial velocity. m/s upward (b) Find the height it reaches.
suppose after the ball reaches the ground ,it bounces back straight upwards at the speed of half of the speed that it hits the ground, calculate the maximum height that the ball bounces
A 0.5 kg lump of clay is moving at 2 m/s in the +x direction of some arbitrarily chosen coordinate system. What is the velocity of the pair after the collision
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