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An electric motor has a 840-turn coil on its armature. The coil is circular with diameter 17cmand carries 10.0A .
Find the maximum torque on the coil when it rotates in a 1.20T magnetic field.
The battery of a pocket calculator has a voltage of 4.0 V and devilers a current of 0.17 mA, How much energy does the battery deliver to the calculator circuit
A skier is gliding along at 3.6 m/s on horizontal, frictionless snow. He suddenly starts down a 10 degree incline. His speed at the bottom is 17 m/s .
even as Jo moves off in the opposite direction at a speed of 1.27m/s. assuming that friction is negligible, find out Al's mass.
A 38.00 kg girl is bouncing on a trampoline. All throughout a certain interval after she leaves the surface of trampoline, her kinetic energy decreases to 185J from 425J. How high does she rise all through this interval? Avoid air resistance.
An ion source is producing 6Li ions, which have mass 9.99 x10-27 kg and charge +e. The ions are accelerated by a potential difference of 30 kV and pass horizontally into the region in which there is a uniform vertical magnetic field of magnitude B..
An aircraft weighing 812 N is accelerated at 11.8 m/s2 for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant
What is the gravitational potential energy of an interstellar cloud, with a density of 1000 H2 molecules/cm3, and radius of 10 pc
Determine the coefficient of kinetic friction between the block & the table.
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 76.0 rev/min in 3.50 s.
Explorer is caught in a whiteout (in which snowfall is so thick that the ground cannot be distinguished from the sky) as returning to base camp.
Two large parallel plates stand side by side with a distance of 2.10 cm between them, Find the acceleration of the electron, Find the magnitude and direction of the electric field in the region between the plates
A ship sets out to sail to a point 136 km due north. An unexpected storm blows the ship to a point 108 km due east of its starting point. How far must it now sail to reach its original destination.
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