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A nonconducting spherical shell of inner radius R1 and outer radius R2 has a uniform volume charge density ?. (Use any variable or symbol stated above along with the following as necessary: ?0 and r.)
a. find the total charge on the shell (Q) =
b. Find the expressions for the electric field everywhere. Er (r < R1) = Er (R1 < r < R2) = Er (r > R2) =
Speedboat A negotiates a curve whose radius is 124m. Speedboat B negotiates a curve whose radius is 230m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A 55g horizontal metal bar, 15cm long, is free to slide up and down between two tall, vertical metal rods that are 15cm apart. What is the terminal speed at which the bar falls
A train car with mass m1 = 527 kg is moving to the right with a speed of v1 = 8 m/s and collides with a second train car, What is the mass of the second train car
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
A hydraulic lift consists of two pistons that connect to each other by an incompressible fluid. If one piston has an area of 0.49 m^2 and the other an area of 6.2m^2, how big a mass can be raised by a force of 220N exerted on the smaller piston.
A spaceship leaves Earth traveling at 0.65 c. A second spaceship leaves the first at a speed of 0.80 c with respect to the first. Calculate the speed of the second ship with respect to Earth if it is fired directly backward toward Earth
When a potential difference of 172 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 23.0 nC/cm2
A 2.00 meter long, straight rod is 1.00 mm in diameter an is made of pure copper (specific gravity 8.93). What is the potential difference between the ends on the wire
A water filled pipe has water flowing at 5.70 m/s in a section of pipe where the diameter is 19.2 cm, What is the volume flow rate through the smaller pipe
What is the amplitude of the subsequent oscillations. A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 519 N on the glove, so that the glove is displaced 10.0 cm, how much work is done by the ball.
What is sign and magnitude of charge
An oscillator with a mass of 430 g and a period of 0.900 s has an amplitude that decreases by 1.00% during each complete oscillation. If the initial amplitude is 9.20 cm, what would be the amplitude after 44.0 oscillations? At what time will the e..
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