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Problem: The automobile is equipped with a generator that delivers 6.70 A to the battery when the engine is running.
Part A: How long must the engine run in order for the generator to restore the energy in the battery to its original level?
(in s)
Please use as much detail as required in your solution.
An 8.05-kg stone at the end of a steel (Young's modulus 2.0 x 1011 N/m2) wire is being whirled in a circle at a constant tangential speed of 19.7 m/s. Find the strain in the wire
the block diagram of the control of an electric heating system. the heater is driven from a voltage-controlled power
Ultrasonic acoustic waves are diffracted by a pair of parallel slits 100mm apart. The zeros in the diffraction pattern are spaced at angular intervals of 8.3 degrees. Calculate the wavelength.
A series AC circuit contains a resistor, an inductor of 230 mH, a capacitor of 4.30 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. obtain the phase angle between the current and the source voltage
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. Determine how far must he now travel to reach base camp
a wrecking ball is dropped. its velocity at the bottom of its swing is vradic2gh where g is the acceleration due to
A person is riding a bicycle, the wheels of a bicycle have anangular velocity of + 22.0 rad/s. What is the angular acceleration of each wheel
a 90.0 kg box is pushed by a horizontal force f at constant speed up a frictionless ramp which makes an angle of 38.0
Experimenters at the National Institute of Standards and Technology have made precise measurements of the speed of light using the fact that, in vacuum, the speed of electromagnetic waves is c = 1/?(µ0?0), where the constants µ0 = 4? multiplied by..
A toy car with a mass of 120 g moves to the right with a speed of 0.40 m/s. A small child drops a 38.0-g piece of clay onto the car. What is the change in speed of the car
A flower pot on a balcony railing falls to the ground 8.63m below. A cat directly beneath the pot sees it begin to fall. How long does cat have to move.
Two spherical shells have a common center. A -1.00x10-6 C charge is spread uniformly over the inner shell,which has a radius of 0.050 m. A +5.00 x10-6 C charge isspread uniformly over the outer shell, which has a radius of 0.15m.
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