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A square loop of wire of side 3.3 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 43° with the plane of the loop.
(a) What is the magnitude of the torque on the loop?
(b) What is the net magnetic force on the loop? Correct: Your answer is correct.
A uniformly charged sphere has a potential on its surface of 460 V. At a radial distance of 24 cm from this surface, the potential is 190 V. What is the radius of the sphere
A curling stone with a mass of 7.00 kg moves across the ice at a speed of 1.35 m/s in the positive x direction. What is the initial kinetic energy
Estimate the fraction of electrons excited above the fermi level at room temp for Aluminum. The effective mass of Al is 1.0xm, where m - free electron mass
A nonuniform, horizontal bar of mass is supported by two massless wires against gravity. Find the position of the center of mass of the bar
q1. determine currents i1 i2 and i3 r5 20 ohms. suppose the internal resistance of each battery is r 1.0.what is the
Determine the possible values of the total spin and total angular momentum quantum numbers, S and J, for a helium atom in the 1s3p conguration
A water heater consisting of a metal coil that is connected across the terminals of a 21.0-V power supply is able to heat 160. What is the resistance of the coil
Four identical charges (+2.0 μC each)are brought from infinity and fixed to a straight line. The chargesare located 0.40 m apart. Determine the electric potential energyof this group.
You are in a space shuttle traveling in the circular orbit, which is 410 km above the Earth. How long will it take you to catch up with your friend if you reduce your orbital radius by 1 km
A physicist has developed a device that generates a beam of alpha particles (each of which is a helium nucleus, consisting of two protons, two neutrons, and no electrons).
The record distance in the sport of throwing cowpats is 81.1 m. This record toss was set by Steve Urner of the United States in 1981, Determine the initial speed of the projectile
A steel aircraft carrier is 385 m long when moving through the icy North Atlantic at a temperature of 1.65°C. By how much does the carrier lengthen whereas it is travelling in the warm Mediterranean Sea at the temperature of 23.30°C.
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