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Two parallel plates 0.600cm apart are equally and oppositely charged. An electron is released from rest at the surface of the negative plate and simultaneously a proton is released from rest at the surface of the positive plate. How far from the negative plate is the point at which the electron and proton pass each other?
A plate of glass with parallel faces having a refractive index of 1.57 is resting on the surface of water in tank. A ray of light coming from above in air makes an angle of incidence 34.5 degrees with normal to the top surface of the glass.
What is the acceleration experienced by 0 tip of the 1.50 cm long sweep second hand on your wrist watch? In M/s^2.
A 0.157kg ball is thrown straight up from 1.94m above the ground. Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. What is the total work done by the force of gravity during that time.
A spherical balloon has a radius of 8.45 m and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of balloon have a mass of 1300 kg? Overlook the bouyant force on the cargo volume itself.
You're designing a highway so that the maximum centripetal acceleration on a curve is no more than 1.0 m/s^2. What is the minimum curvature radius to accommodate a 100 km/h maximum speed? Please show the answer and how you got it!
What should the charge (sign and magnitude) of a particle of mass 1.42g be for it to remain stationary when placed in a downward-directed electric field of magnitude 670N.
when free from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find the potential at B.
A ship sets out to sail to a point 148km due north. An unexpected storm blows the ship to a point 109km due east of its starting point.
What focal length does the lens need. Find out the electrostatic force exerted on one sphere by the other.
describes the net gravitational force on the particle due to the shell? zero if the particle is at the center of the shell but nonzero at other locations within the hollow zero for any location of the particle within the hollow.
An airplane is flying with a velocity of 81.0 m/s at an angle of 24.0^circ above the horizontal. When the plane is a distance 108m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Now a peg is placed 4/5 of the way down pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting po..
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