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A 1.15-k? resistor and a 590-mH inductor are connected in series to a 1250-Hz generator with an rms voltage of 13.1V .
Part A: What is the rms current in the circuit?
Part B: What capacitance must be inserted in series with the resistor and inductor to reduce the rms current to half the value found in part A?
A friend of yours is loudly singing a single note at 410 Hz when racing toward you at 26.1 m/s on a day when the speed of sound is 339 m/s. What frequency does your friend hear if you suddenly start singing at 410 Hz.
what is the frequency of vibration of the string. If the shot was launched from 6.00 f above the ground at an initial angle of 42.0 degrees , what was its initial speed.
What was the arrow's initial speed. A small sphere with a mass of 2.00×10^-3g and carrying the charge of 4.80×10^-8C hangs from a thread near a very large, charged insulating sheet. The charge density on the sheet is -2.90×10^-9C/m^2 .
What is the force on the 1 nC charge at the bottom. how far will it skid if it is traveling at 120 km/h when its brakes lock.
Basic science concepts in optics like Which types of electromagnetic radiation can be seen from the surface of Earth.
A 3 kg object id released from rest at a height of a 5 meter curved frictionless ramp. At the foot of the ramp is a spring force constant of k= 400n/m the object slides down the ramp and onto the spring compressing it to the distance x before comi..
If the speed of sound is 1100 feet per second and a tuning fork oscillates at 440 cycles per second, what is the wavelength of sound produced.
Romeo (75.0 kg) entertains Juliet (52.0 kg) by playing his guitar from the rear of their boat at rest in still water, 2.80 m away from Juliet who is in the front of the boat.
A 53.6 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 16.0° above the horizont, If the coefficient of static friction is 0.510, what minimum force magnitude is required from the rope to start the crate mo..
The heat of fusion for water is 80. cal/g. How various calories of heat are released when 20.0 g of water at 30. °C is cooled to 0 °C and frozen to ice at 0 °C
An object has a kinetic energy of 317 J and the momentum of magnitude 24.0 kg · m/s.
The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy.
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