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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?
Two hockey players strike a puck of mass 0.169 kg with their sticks simultaneously, Find the instantaneous acceleration of the puck
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter. Find the power consumed by the air filter.
Two charges, one twice as large as the other, are located 15 apart and experience a repulsive force of 95. What is the magnitude of the larger charge
An 66 kg man on ice skates is pushing his 33 kg son, also on skates, with a force of 125 N. What force is exerted by the boy on his father
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
In a ballistics test, a 23-g bullet travelling horizontally at 1300 m/s goes through a 40.0 cm-thick 450-kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.
Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-..
How much would an 80.0kg person weigh) on mars where an acceleration of gravity is 3.93m/s^2 and (b) on earth's moon where the acceleration of gravity is 1.63m/s^2.
Consider a system composed of a mixture of 2.50kg of ice and 50 gr of liquid water and a small separate container of finely powdered salt. This physical system is contained in a fully insulated container that prevent.
Collision of 2 trains and stopping distances, Two trains are driving towards each other .One at 144 km/h and the other at 72 km/h When they see each other they start to brake at 1 m/s2. There is 950m between them.
A beam of electrons is incident on two slits separated by a distance of 2.0E-6m. Calculate the kinetic energy of the electrons
A metallic wire has a diameter of 4.12 mm. When the current in the wire is 8.00 A, the drift velocity is 5.40 x 10^-5 m/s. What is the density of free electrons in the metal
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