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1) A proton is suspended in a vacuum between two oppositely charged horizontal parallel plates. The separation between the plates is 2.60 mm. a. What is the sign of the charge on the lower plate? b. What is the voltage across the plates? 2) Two conducting spheres are connected by a thin wire and are in electrostatic equilibrium. The diameter of the smaller sphere is 3.20 cm and the diameter of the larger one is 9.00 cm. If the smaller sphere is found to be charged to 2.30 nC, what is the charge of the larger sphere?
When the crate is moving, the frictional force between the floor and the crate has a magnitude of 122.0 N. If the crate starts from rest, explain how fast will it be moving after the man has pulled it a distance of 2.30 m?
A proton, initially traveling in the +x-direction with a speed of 5.00×105m/s, enters a uniform electric field directed vertically upward, What is the strength of the electric field
A yo-yo has a rotational inertia of 910 g·cm2 and a mass of 120 g. Its axle radius is 3.8 mm and its string is 100 cm long. The yo-yo is thrown so that its its initial speed down the string is 1.1 m/s.
To measure the static friction coefficient between a 2.2-kg block and a vertical wall, the setup shown in the drawing is used. What is the coefficient of static friction
The yellow light from a helium discharge tube has a wavelength of 587.50. When this light illuminates a certain diffraction grating it produces a first-order principal maximum at an angle of 1.050.
A 1200kg car rounds a curve of radius 65 m banked at an angle of 14degrees. if the car is traveling at 30km/hr, will a friction force be required? if so, how much and in what direction.
Consider the motion of a muon as it moves through the Earth's atmosphere. After a time ? = 2.20 multiply.gif 10-6 s, What is the speed of the muon
At an outdoor market a bunch of bananas is set to oscillatory motion with amplitude of 20.0 cm on a spring with a force constant of 16 N/m.
What is magnitude of the angular momentum
Two charged dust particles exert a force of 8.5 x10-2 N on each other. What will be the force if they are moved so they are only one-seventh as far apart.
Two blocks are free to slide along the frictionless wooden track shown below. The block of mass m1 = 5.02 kg is released from the position shown, Calculate the maximum height to which m1 rises after the elastic collision
Illustrate what is the maximum load that can be hung from a copper wire of diameter of 0.47 mm before it breaks?
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