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A solid metal sphere of radius 3.00 m carries a total charge of -3.00 µC. What is the magnitude of the electric field at each of the following distances from the sphere's center?
(a) 0.10 m
(b) 2.90 m
(c) 3.27 m
(d) 5.00 m
(e) How would the answers differ if the sphere were a thin shell?
So as to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast must an airplane be moving at the top of a vertical circle with a radius of 1545 m.
A ball rolls off a platform that is 6.8 meters above the ground. The ball's horizontal velocity as it leaves the platform is 7.4 m/s.How much time does it take for the ball to hit the ground
A solid cylinder (radius = 0.160 m, height = 0.200 m) has a mass of 14.6 kg. This cylinder is floating in water. How much of the height of the cylinder is in the oil
A person with a mass of 80kg stands on two snowshoes with areas of 2500cm^3 each. What is the total pressure on the snow
A ball is thrown from the window of a high-rise building with an initial velocity of 5.1 m/s at an angle of 22 deg. how fast is the ball travelling when it hits the (horizontal) ground
Halley's comet moves about the Sunin an elliptical orbit, with its closest approach to the Sun being0.59 A.U. and its greatest distance being 35 A.U. what is its speed when it isfarthest from the Sun
When at cruising altitude, a typical airplane cabin will have an air pressure equivalent to an altitude of about 2510 m. During the flight, what is the net force on one ear drum due to this pressure difference
As a marble with a diameter of 2.0 cm rolls down an incline, its center moves with a linear acceleration of 3.5 m/s^2. What is the angular acceleration of the marble
When the temperature of a coin is raised by 85.4 C°, the coin's diameter increases by 3.08 x 10-5 m. find the coefficient of linear expansion
A hollow spherical shell has mass 8.00 and radius 0.225. It is originally at rest and then rotates about a stationary axis that lies along a diameter with the constant acceleration of 0.905. What is the kinetic energy of the shell after it has turned..
A compound microscope has the objective and eyepiece mounted in a tube that is 18.0 cm long. The focal length of the eyepiece is 2.28 cm, what is the focal length of the objective
On a banked race track, the smallest circular path on which cars can move has a radius of 112 m, find the largest speed at which cars can move on this track without relying on friction
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