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A thin, uniformly charged spherical shell has a potential of 533 V on its surface. Outside the sphere, at a radial distance of 24.0 cm from this surface, the potential is 304 V.
Calculate the radius of the sphere.
Determine the total charge on the sphere.
What is the electric potential inside the sphere at a radius of 1.0 cm?
Calculate the magnitude of the electric field at the surface of the sphere.
If an electron starts from rest at a distance of 24.0 cm from the surface of the sphere, calculate the electron's speed when it reaches the sphere's surface.
An 845-N sled is pulled a distance of 170 m. The task requires 1.10 x10^4 J of work and is done by pulling on a rope with a force of 12N. At what angle is the rope held.
A 12.0 m long conveyor belt, inclined at 40.0°, is used to transport bundles of newspapers from the mailroom up to the cargo bay to be loaded on to delivery trucks. Each newspaper has the mass of 1.00 kg, and there are 26 newspapers per bundle. Concl..
Sam (85 kg) takes off up a 50-m-high, 10° frictionless slope on his jet-powered skis. The skis have a thrust of 240 N. He keeps his skis tilted at 10° after becoming airborne. How far does Sam land from the base of the cliff.
A 3.8×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.3×10-5 s and a maximum speed of 1.55×103 m/s. A) Calculate the angular frequency. B) Find the maximum displacement of the particle. I know the answer to part A) 48..
A certain red giant star has a luminosity of 100,000 times that of the Sun and is located 600 light-years from Earth. calculate the rate of interstellar extinction in the direction of the star
What is a gyroscope? Discuess the role of angular momentum in operation of a gyrosope. Provide examples of pratical applications of gyryscopes
A horizontal aluminum rod 4.8 cm in diameter projects 5.6 cm from a wall. A 1200 kg object is suspended from the end of the rod. Find the vertical deflection of the end of the rod
If the ropes supporting the rings are attached to ceiling directly above, what is the tension in each rope.
A horizontal 790-N merry-go-round of radius 1.20 m is started from rest by a constant horizontal force of 45 N, Find the kinetic energy of the merry-go-round after 5.0 s
A bird stands on an electric transmission line carrying 1200 A. of current. The line has 6.0E-05 ohm resistance per meter, What voltage does the bird feel
find magnitude of the tension in the wire and magnitudes.
The rope is inclined at 20.30° above the horizontal, and the sledge moves a distance of 20.3 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500.
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