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A parallel-plate air capacitor of area A = 21.9 cm2 and plate separation of d = 3.60 mm is charged by a battery to a voltage of 64.0 V. What is the charge on the capacitor? If a dielectric material with ? = 4.90 is inserted so that it fills the volume between the plates (with the capacitor still connected to the battery), how much additional charge will flow from the battery onto the positive plate?
An object's moment of inertia is 2.00kgm2 . Its angular velocity is increasing at the rate of 3.80, What is the total torque on the object
How fast should a meterstick travel to you in the direction parallel to the stick so that its length as measured by you is 70 cm.
A converging lens of focal length 7.930cm is 16.6 cm to the left of a diverging lens of focal length -6.0cm. A coin is placed 12.60cm to the left of the converging lens. Determine the location of the coin's final image.
The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1 cm-long segment of the wire.
A strip of doped silicon 325 µm wide contains 9.6 1022 conduction electrons per cubic meter and an insignificant number of holes, What is the thickness of the strip
Three blocks, each having a mass of 1.16 kg, are connected by rigid rods of negligible mass and are supported by a frictionless surface, find the magnitude of the force applied by the rod on the left
A certain freely falling object requires 1.6s to travel the last 38.00m before it hits the ground. From what height above the ground did it fall.
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. How much work is done by such proteins
Calculate the wavelength of light in vacuum that has a frequency of 5.4 1016 Hz. What is its wavelength in benzene
The masses of astronauts are monitored during long stays in orbit, such as when visiting a space station. What is the mass of an astronaut who has an oscillation period of 2.00 s when in the chair
An image of a biological sample is to have a resolution of 5 nm. (i) What is the kinetic energy of a beam of electrons with a de Broglie wavelength of 5.0nm.
One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?
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