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A 1.5 m cylinder of radius 1.1 cm is made of a complicated mixture materials. Its resistivity depends on the distance x from the left and obeys the formula p(x)=a+bx^2, where a and b are constants. At the left, the resistivity is 2.25*10^-8 ohms*m, while at the right end its 8.5*10^-8 ohms*m
a) What is the resistance of the rod?b) what is the electric field at its midpoint if it carries a 1.75-A current?c) If we cut the rod into two 75-cm halves, what is the resistance of each half?
A charge of +2 x 10^-7 C is 10 cm from a charge of -6 x 10^-6 C. Find the magnitude and direction of the force on each charge
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling pentane (36.1°C). What pressure would be found at the boiling point of water
q1. one reasonable design goal for an imaging system is to match the air disk diameter to the detector size. that
a ball with a mass of 10g is swung in a horizontal circular path on a string of length 0.5m. if the balls speed is 4.5m/s, estimate the centripetal acceleration
A small spherical insulator of mass 8 x 10 kg and change +0.600 micro Coulomb is hung by a tin wire of negligible mass. A charge of -0.900 micro Coulomb is held 0.150 m away the sphere and straight to the right of it, so the wire makes the angle with..
A rifle is fired horizontally. The buillet is found to havetraveled 200 meters. at what speed must the bullethave been traveling as it left the barrel
List the electricalcharge, baryon number, and electron lepton number for the following particles
A rope goes over a circular pulley with a radius of 7.5 cm. If the pulley makes four revolutions without the rope slipping, what length of rope passes over the pulley
A spring stretches by 0.0241 m when a 4.15-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 4.44 Hz
An object of mass 263.25285 g executes SHM with an amplitude of 14.906379 cm and a period 29.11989 s. Find the force acting on the object
Two masses are placed on the x axis. The first mass 320kg is located at x = 310cm , the second mass 660kg is at the origin
Two blocks, each have a mass of 10kg are being accelerate across a surface that has a coefficient of friction of 0.2 by applied force F=80N. determine the acceleration of each block
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