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A metallic sphere has a charge of -9.4 nC. A negatively charged rod has a charge of -5.2 nC. The rod is then placed on the sphere and both objects reach an equilibrium state at which they have the same charge. How many electrons were transferred for this equilibrium state to be established?
A coin is placed 8.0 cm in front of a concave mirror. The mirror produces a real image that has a diameter 4x larger thanthat of the coin. What is the image distance
light traveling in air strikes a transparent material making an angle of 17.000o with respect to the interface. the
In a Young's double-slit experiment, a set of parallel slits with a separation of 0.150 mm is illuminated by light having a wavelength of 566 nm, What is the difference in path lengths from the two slits to the location of a third order bright frin..
When responding to sound, the human eardrum vibates about its equilibrium position. Supposed an eardrum is vibrating with an amplitude of the 6.3*10^7 m and a maximum speed of 2.0*10^-3 m/s.
Two identical point charges are fixed to diagonally opposite corners of a square that is 0.460 m on a side. How much work is done by the electric force as one of the charges moves to an empty corner
A worker drags a 150lb. crate across the floor by pulling on a rope inclined at 17degrees above the horizontal. What tension in the rope is required to start the block moving
A cube floats in water. The length of each side is 8 cm. The cube is 3/4 submerged. find the weight of the cube in air
A 45cm radius insulated sphere is charged so that the volume charged density is a function of the radius: Charge denisty=(34microC/m^4)r. Integrate to determine the total charge on the sphere.
a telephoto camera lens with focal length f 300 mm and a maximum aperture f2.8 takes a picture of two red 630 nm led
The distance between the centers of the wheels of a motorcycle is 150 cm. The center of mass of the motorcycle, including the rider, is 85.5 cm above the ground and halfway between the wheels. Assume the mass of each wheel is small compared to the bo..
You have two containers of a monatomic ideal gas that are intially at the same Pressure, Volume, and Temperature. What is the difference in work done in these processes, 1 - 2
Calculate the frequency of the tone perceived by the person if he is moving away from the speaker with a speed of 48 m/s
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