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A round loop of diameter 12 cm, carrying a current of 0.40 A, is placed inside a magnetic field B = 0.20 i T + 0.40 j T . The normal to the loop is parallel to the unit vector n = -0.60 i - 0.80 j . What is the potential energy of the loop?
A rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long..
A 4.20 kg model rocket is launched, expelling 57.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity of the rocket after fuel has burned.
A 0.527 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
W hat are underwater angles of refraction
Light of wavelength 665 nm is used to illuminate normally two glass plates 12 cm in length, How many bright fringes appear along the total length of the plates
A cart mass M moves on a frictionless track. It is attached to a string, which goes over a pulley wheel & has a mass m hanging from it. At t=0 s the cart starts from rest & accelerates. Find the tension in the sting & acceleration of the cart.
As a function of time, the velocity of the football can be written as . (If the acceleration of an object is constant, its average acceleration is the same for all time periods.) Calculate the average acceleration vector of the football for the ti..
Two trains, each having a speed of 38 km/h, are headed at each other on the identical straight track. A bird that can fly 70 km/h flies off the front of one train while they are 68 km apart and heads directly for the other train. On reaching other tr..
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 40 km away.
Alpha-particle scattering experiments using uranium (Z = 92) as the target material show that the alpha-particles experience a pure Coulomb repulsion, Estimate the radius of the uranium nucleus
find the angle counterclockwise relative to the horizontal.
A 16.0-? resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 170-V generator. What is the maximum value of the rms current?
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