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Question: Large inductors have been proposed as energy-storage devices.
Part A: How much electrical energy is converted to light and thermal energy by a 200W lightbulb in one day?
Part B: If the amount of energy calculated in part (A) is stored in an inductor in which the current is 80.0A , what is the inductance?
A train departs at 12:00:00 noon. When you arrive you see the second to last passenger car just started passing in front of you. How late after the train departed did you arrive
A 1.85 kg mass is attached to a light cordthat is wrapped around a pulley of radius 3.60 cm, which turns with negligible friction. Themass falls at a constant acceleration of 2.70 m/s2. Find the moment of inertia of the pulley.
Force F = (-5.0 N) i hat + (5.0 N) j hat acts on a particle with position vector r = (-3.0 m) j hat + (5.0 m) k hat. What is the angle between the directions of force and torque
A 2.00 m long rope is stretched between two supports with a tension that makes the speed of transverse waves 48.0 m/s. What are the wavelength of the second overtone
A skier is gliding along at 2.8m/s on horizontal, frictionless snow. He suddenly starts down a 10?incline. what is the distance of the incline
A solenoid of radius 1.0 m with 740 turns and a length of 4.6 m surround a pigeon cage. What current must be in the solenoid
a superconductor wire has a critical temperature of 90k. if the wire is at 77k and an electromotive force of 6.0v is
Consider the circuit in the figure below. Take emf = 6.00 V, L = 7.00 mH, and R = 6.00 O. What is the value of the final steady-state current
An empty storage tank has a volume of 140 ft3. What is the buoyant force exerted on it by the air
With a particular fingering, a flute plays a note with frequency 583 Hz at 20.0° C. The flute is open at both ends. Find the air column length.
a uniform solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 ms when it starts up
A wire 6.10m long with diameter of 2.00mm has a resistance of 0.0280?. Find the resistivity of the material of the wire
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