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For a charged hollow metal sphere with total charge Q and radius R centered on the origin: Select "True" or "False" for each statement.
1. The field for r >> R will be the same as the field of a point charge, Q, at the origin
2. The field in the hollow of the shell is not zero
3. An equal amount of opposite charge is on the inside surface.
4. The E-field near the outside surface is perpendicular to the surface.
5. A net charge of Q must be on the outside surface.
6. The electric field is zero just inside the metal.
A block of mass 0.50kg travels with a speed of 2m/s in the x-direction on a flat, frictionless surface. find the velocity of the block at the end of this time
To focus a camera on objects at dissimilar distances, the converging lens is moved toward or away from the film, so a sharp image always falls on the film. A camera with a telephoto lens (f =220.0 mm) is to be focused on an object located first at a ..
A 25 gram ball is released from rest 80 meter above the surface of the Earth. Determine its speed just before it hits the surface
the speed of light in a certain material is measured to be 2.2*10^8 m/s. what is the index of refraction of this material
Three resistors, of 8.0 W, 12 W, and 24 W, are in parallel, and a current of 20 Amp is drawn by the combination. Calculate the potential difference across the combination
A box is dropped from a spacecraft moving horizontally at 27.0 m/s at a distance of 155 m above the surface of a moon. The rate of freefall acceleration on this airless moon is 2.79 m/s2.
Does it travel at the same speed the entire time?
Consider a hollow circular cylinder. Use Gauss's law to show that the field inside the pipe is zero. Also show that the field outside is the same as if the charge were all on the axis.
A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, find the shortest distance in which the car can stop safely
question the distance between two successive maxima of a transverse wave is 1.20m. eight crests or maxima pass a given
How far up the incline will the skier move if the coefficient of kinetic friction between the skies and snow is 0.101
A bag of sugar weighs 5.00 lbs on Earth. What would it weigh in Newton’s on the Moon, where the free-fall acceleration is one-sixth that on Earth? Repeat for Jupiter, where g is2.64 times that on Earth. Discover the mass of the bag of sugar in kilogr..
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