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A series ac circuit contains a 250-ohm resistor, a 15-mH inductor,a 3.5uF capacitor, and an ac power source of voltage amplitude 45 voperating at an angular frequency of 360 rad/s, (a) what is the power factor of this circuit? (b) find the average power deliveredto the entire circuit (c) what is the average power delivered tothe resistor, to the capacitor, and to the inductor?
A Carnot air conditioner maintains the temperature in a house at 294 K on a day when the temperature outside is 308 K
A 2.0 kilogram mass is pulled along a horizontal table by a string attached to 0.50 kilogram mass that hangs from a string that passes over a frictionless pulley at one end of the table. Obtain the acceleration of the 0.500 kilogram mass
An air bubble ascends from the bottom of a lake 14.3 m deep. How many times larger in volume is the bubble
Christmas tree bulb, how long could the bulb be made to light using the energy/work generated?
A model rocket is fired vertically from rest. It has a net acceleration of 17.0 m/s2. estimate how high does the rocket travel
What is force necessary on one end of apparatus in order to lift the car? How much work is done lifting the car?
The magnetic flux through a loop of wire is ?B = 5.7 T · m2. what is the smallest possible value for the area of the loop
An RLC circuit consists of a 100 omh resistor, a 20 micro Coulomb capacitor, and a 400mH inductor connected in series with a 120V, What is the reactant of the circuit
At a fabrication plant, a hot metal forging has a mass of 78 kg and a specific heat capacity of 430J/(kg·°C). To harden it, the forging is immersed in 710kg of oil that has a temperature of 32°C and a specific heat capacity of 3000 J/(kg·°C) .
An open railroad car of mass 2404 kg is coasting with an initial speed of 18 m/s on a frictionless, horizontal track. How much water (in kilograms) has accumulated in the car
A child's toy consists of a m = 26 g monkey suspended from a spring of negligible mass and spring constant k. calculate the speed of the monkey in Ve m/s as it passes through equilibrium
A 50,000 kg locomotive is traveling at 50.0m/s when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop
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