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Question: Two large parallel plates are separated by 0.90cm and carry uniform charge densities equal in magnitude and opposite in sign. A proton is between the plates and has an acceleration of magnitude 1.40×10^11m/s^2 . Find the magnitude of the charge density on the plates. Express your answer with the appropriate units.
A 250 g block of wood hangs from a light string 0.78 m long. The block is shot with a bullet of mass 4.2 g, what was the velocity of the bullet just before it hit the block
I have a rectangular slab of aluminum that is in contact with a rectangular slab of copper and both slabs are 5.00 cm x 15.0 cm in area. how much energy would flow from one face to the other
An open boxcar rolls at a constant speed of 6 ft/sec down a 1.5% slope. Then grain is poured in vertically downward at a rate of 500 pounds per second and at a vertical speed of 30 ft/sec when it impacts the car.
The one arm of a centrifuge is a solid cylinder ofaluminum with a length of 0.10 m and a cross sectional area of 1.3x 10-4. By how much does the aluminum rod stretch
Compute the electric field needed to cause that acceleration, and the amount of charge that the Van de Graaff had accumulated. Note: Van de Graaff has a radius of 0.150 m.
A 40.0-kg shell is fired from a gun with a muzzle velocity 85.0 m/s at 29.0o above the horizontal. What is the horizontal speed of the other fragment
question1it has been claimed that an insect known as froghopper philanenus spumarius is the best jumper in animal
Two concentric conducting spheres of radii a = 5 cm and b = 10 cm have a potential difference V = 100 V between them. What is the charge carried by each sphere
A 1500-kg car moving east at 28.00m/s collides with a 1720 kg car moving south at 15 m/s and the two cars stick together.
An object with a height of 2.92 cm is placed 36.8 mm to the left of a lens with a focal length of 35.0 mm. What is the height of the image
A 295 Kg piano slides 4.1 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .40.
A charge q is distributed uniformly around a thin ring ofradius r. What is the direction of this magnetic moment if the chargeis positive
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