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An inductor with an inductance of 2.70H and a resistance of 7.20(phi) is connected to the terminals of a battery with an emf of 5.80V and negligible internal resistance.
1) Find the initial rate of increase of current in the circuit.
2) Find the rate of increase of current at the instant when the current is 0.500A.
3) Find the current 0.300 after the circuit is closed.
4) Find the final steady-state current.
A merry-go-round (carousel) with a moment of inertia of 594 kg·m2, is initially rotating horizontally at 2 rad/s about a frictionless axis through its center.
Two stars with equal areas and emissivities have surface temperatures of 4,061 K and 6,078 K respectively
A wire with a length of 3.6m and a mass of 0.78kgis in a region of space with a magnetic field of 0.86T. What is the minimum current needed to levitate the wire
a square loop of wire of side L = 0.25m and resistance R = 0.2 ohms. A constant magnetic field B1 points through the left half of the loop in the negative z direction, What is rate of change in flux through the loop
A rectangular container measuring 32 cm 39 cm 62 cm is filled with water. What is the mass of this volume of water in kilograms and grams
A dentist uses a mirror to examine a tooth. The tooth is 1.04 cm in front of the mirror, and the image is formed 11.1 cm behind the mirror. Determine the mirror's radius of curvature
35MW of power at 45kV (rms) arrives at a town from a generator via 3.4? transmission lines. Calculate the fraction of the power generated that is wasted in the lines
a lens of focal length 1500 mm is used to project an image of the sun. If the sun subtends an angle of .50, what is the diameter of the image
You are driving home from school steadily at 80 for 150. It then begins to rain and you slow to 50. You arrive home after driving 3 hours and 20 minutes.
What is the speed of the arrow as it leaves the bow. At a height of 5 meters above the surface of a lake, a sound pulse is generated. The echo from the bottom of the lake returns to point of origin 0.130 s later. The air and water temperatures are ..
For each part of the following, state any assumptions used and show mathmatical dereviation before using values. determine the rotential inertia of a yo-yo about it's center
A 0.0280 kg bullet moving horizontally at 500 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision
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