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Initially at rest, a small copper sphere with a mass of 2.10-6kg and a charge of6.10-4C is accelerated through a7700-V potential difference before entering a magnetic field of magnitude 4 T, directed perpendicular to its velocity. What is the radius of curvature of the sphere's motion in the magnetic field?
A home receives 1.3kW of electric power from a transformer on a nearby pole. What fraction of the power is lost in this transmission line
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
A mechanic tests the tension in a fan belt by pushing against it with his thumb, What is the tension in the belt (while the mechanic is pushing)
A 200 keV electron strikes a copper target and is brought to rest producing a single X-ray photon. What is the Compton scattering angle relative to the direction of the incident X-ray
A 180-turn circular coil has diameter 5.35cm and resistance 1.25?. obtain the induced current in the coil
A 0.080 T magnetic field is perpendicular to a circular loop of wire with 100 turns and radius 30cm. what is the magnitude of the induced emf
Sam's speed at the bottom is 35.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
A skier of mass 71.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull him a distance of 57.5 m up a 31.0° slope (assumed frictionless) at a constant speed of 2.20 m/s
While a roofer is working on a roof that slants at 44.0 above the horizontal, he accidentally nudges his 93.0 toolbox, causing it to start sliding downward, starting from rest.
Carbon tetrachloride (n=1.46) is poured into a container made ofcrown glass (n=1.52). what is the angle of the corresponding refracted ray
Two cars of collide in a glancing collision and stick together. Before the colli- sion the first car (mass of 500 kg) is moving with velocity 25 m/s at an angle of 30%u25E6 North of East, Determine the momentum of each car in a suitable Cartesian c..
Within a certain material, an EM wave with lamda=1um is attenuated to 10% of its originality intensity after propagating 10cm. Determine the imaginary part of the index of refraction ni.
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