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The inductor in given Figure carries an initial current of iL(0) = 20 mA.
At t = 0, the switch opens, and thereafter the voltage across the inductor is vL(t) = -6 e-1000t mV. Derive expressions for iL(t) and pL(t) for t > 0. Is the inductor absorbing or delivering power?
A football is kicked at an angle ? = 37.0° with a velocity of 20.0 m/s. Calculate a) the maximum height, b) the time of travel before it hits the ground, c) how far away it hits the ground, d) the velocity vector at the maximum height, and e) the ..
A thin film with index of refraction n = 1.29 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 8.0 bright fringes of the pattern produced by light of wavelength 693nm, what is the film t..
A large rectangular raft (density 408 kg/m3) is floating on a lake. The surface area of the top of the raft is 7.4 m2 and its volume is 2.44 m3. Obtain the height of the portion of the raft that is above the surrounding water
A 75 N/m spring is suspended vertically with nothing attached to it and rests at equilibrium. Then a mass is attached to the spring and given a nudge. Determine the mass attached to the spring
An insulating sphere with a radius of 3.2×102 m has a uniform charge density of 5.78 C/m3 throughout its volume. Find the magnitude of the electric field at the surface of the sphere
when red light of wavelength 620 nm falls on a single slit it creates a central diffraction maximum that is 8.80 mm
A 3250 kilogram airplane takes 12.5 minute to achieve its cruising altitude of 10.0 kilometer and cruising speed of 850 km/h. find what is the efficiency of the engines
An element of mass 92 amu (1 amu = 1.66x10-27 kg) moves in a mass spectrometer where the magnetic field is always 7T, What is the radius you would measure for this element
A concave spherical mirror has a radius of curvature of magnitude 27.4 cm. determine Is the image real or virtual
A 300 hp car engine can deliver that maximum power at 6000 rpm. What is the engine's torque at that speed
A steel section of the Alaskan pipeline had a length of 67.6 m and a temperature of 16.1?C when it was installed. What is its change in length
A point charge Q is placed inside a hollow metal sphere of radius R. The sphere is hold no net charge. What is voltage on the surface of the sphere
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