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A generator is connected to a resistor and a 0.032-H inductor in series. The rms voltage across the generator is 7.2 V. When the generator frequency is set to 110 Hz, the rms voltage across the inductor is 3.7 V. Determine the resistance of the resistor in this circuit.
A lens produces a magnification of -1.8 when an object is placed 2.5 cm from the lens. compute the focal length of the lens?
questiona high-speed flywheel in a motor is spinning at 450 rpm when a power failure rapidly occurs. a flywheel has
mass if it is placed at the following locations. Consult the figure 12.9 in the textbook, and assume a constant density through each of the interior regions, estimate the average density for each region
You and a friend are measuring a field for an ecology experiment. You walk due east at a speed of 0.9 m/s, how far from your friend are you
A softball player swings a bat, accelerating it from rest to3.5 rev/s in a time of 0.20 s. compute the torque the player applies to one end of it
We have studied four different laws authored by Sir Isaac Newton. For each of the following, indicate which law is best for the task described. Calculating the force exerted on a satellite by the Earth
A 4.70 kg mass causes a vertical spring to stretch 0.850 meters. The spring is after that stretch and extra 0.270 meters and release (as a stopwatch starts) causing the spring and mass to oscillate.
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 11.0 s. What is the average mechanical power output of the engine
Calculate the moment of inertia of each of the following uniform objects about the axes indicated. Consult Table Moments of Inertia of Various Bodies in the Textbook as needed. Part A A thin 2.00kg- rod of length 75.0cm , about an axis perpendicul..
You have a string with a mass of 14.1 g. You stretch the string with a force of 8.63 N, giving it a length of 1.93 m. Then you vibrate the string transversely at precisely the frequency that corresponds to its fourth normal mode, that is, at its f..
A coin with a diameter of 3.00 cm rolls up a 30.0 degree inclined plane. The coin starts with the initial angular speed of 60.0 rad/s and rolls in a straight line without slipping. How far does it roll up the inclined plane.
In a spherical metal shell of radius R, an electron is shot from the center directly toward a tiny hole in the shell, What is the magnitude of the electron's acceleration
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