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Q. A thin, uniformly charged spherical shell has a potential of 720 V on its surface. Outside the sphere, at a radial distance of 29.0 cm from this surface, the potential is 434 V.
Calculate the radius of the sphere.
Q. The springs of a 1100 kg car compress 3.5 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations?
What is relative velocity
When two point charges are a distance R apart, their potential energy is -2.00 .How far (in terms of R) should they be from each other so that their potential energy is -6.00.
What is the speed of each ball as it strikes the ground? How far apart are the balls 0.700 s after they are thrown.
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
What would be the equilibrium temperature when a 270 g block of copper at 300°C is placed in a 150 g aluminum calorimeter cup containing 820 g of water at 12.0°C.
Coherent light with wavelength 546 nm passes through two very narrow slits, and the interference pattern is observed on a screen the distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.86 {rm mm} from the center o..
What is x and y coordinates of the shell
What friction torque is required to reduce angular speed
Charge is distributed with constant volume density D throughout the rectangular box with length a, width b and height c.
A mass spectrometer applies a voltage of 2 kV to accelerate a singly charged positive ion. A magnetic field of B = 0.400 T then bends the ion into a circular path of radius 0.305m. What is the mass of the ion.
What tension is necessary to tune string properly
In a die-casting operation 0.1 kg charges of molten zinc alloy at 410 degrees C are injected at a rate of 120 charges per hour. Calculate the average die temperature after a die-casting operation
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