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Consider a thin spherical shell of radius 14.5cm with a total charge of 2.5uC distributed uniformly on its surface.
1. Discover the electric field, in N/C, at a radius of 10.7cm from the center of the charge distribution.
2. Discover the electric field, in N/C, at a radius of 17.1cm from the center of the charge distribution.
In the 1950s, an experimental train that had a mass of 25000 kg was powered across a level track by a jet engine that produced a thrust of 500000 N for a distance of 500 m. What would be the speed of the train after this distance
A generator rotates at 71 hz in a magnetic field of 5.0x10^-2 T. It has 1000 turns and produces an rms voltage of 150v and an rms current of 52A. a) What is the peak current produced? b) What is the area of each turn of the coil?
Ships A and B leave port together. For the next two hours, What is the distance between the two ships two hours after they depart
If the combination with this amount of turpentine is after that cooled back to 19°C, how far below cylinder's rim does the turpentine's surface recede.
A 7.80 gram bullet moving at 460 m/s penetrates a tree trunk to a depth of 4.4 centimeter. Use work and energy considerations to compute the average frictional force that stops the bullet
A 58 kg gymnast does a vault. He is traveling at 5.6 m/s just before he lands. He comes to a stop in 0.08 s. What is the average net force acting on him during this time
four long parallel wires each carry 2.0 a in the same direction. they are parallel to the z-axis and they pass through
A motor having an efficiency of 88% operates a crane having an efficiency of 42%. With what constant speed does the crane lift a 410-kg crate of machine parts if the power supplied to the motor is 5.5 kW?
A piece of sandston with a bulk volume of 1.3 cc is contained ina 5-cc cell filled with helium at 760 mm Hg. Temperature ismaintained constant and the cell is opened to another evacuatedcell the same volume.
A mass m = 6.100kg is suspended from a string of length L = 1.310m. What is the angle theta between the string and the vertical
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 one end of a string of length l is held fixed. the other end is attached to a weightless ring that can slide
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