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(a) Calculate the self-inductance of a 55.0 cm long, 10.0 cm diameter solenoid having 1000 loops.
mH
(b) How much energy is stored in this inductor when 19.5 A of current flows through it?
J
(c) How fast can it be turned off if the induced emf cannot exceed 3.00 V?
s
You need to make an ac generator with a sinusoidal output of 14.0 V amplitude and frequency 50 Hz. At what angular frequency should the coil be rotated
A small steel sphere of mass 0.40 kg is attached by a 0.50 m long cord to a swivel pin set into the surface of a friction-less table top. compute the tension in the cord
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection, What is the amplitude of the associated electric field
If a woman lifts a 20.0 kg bucket from a well and does 6.00 kJ of work, how deep is the well? Suppose that the speed of the bucket remains constant as it is lifted.
A 5.00 mL syringe has an inner diameter of 6.00 mm, a needle inner diameter of 0.210 mm, and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100..
During a hard sneeze, your eyes might shut for 0.50s. If you are driving a car at 90 km/h during such a sneeze, how far does the car move during time.
An empty parallel plate capacitor is connected between the terminals of a 2.8-V battery and charged up, what is the new voltage between the plates of the capacitor
At a distance of 6.0 km from a radio transmitter, the amplitude of the oscillating electric field of the radio wave is Eo=.13 V/in, What is the time-averaged energy flux
A 5.25\; kg block starts at the top of a 12.1\; m long incline that has an angle of 10\deg to the horizontal. How much Kinetic Energy was lost in the collision
In the 1950s, an experimental train that had a mass of 2.30 x 10^4 kg was powered across a level track by a jet engine that produced the thrust of 5.30 x 10^5 N for a distance of 504 m. unless otherwise directed, suppose that air resistance is neglig..
A typical adult ear has a surface area of 1.56 Ã- 10-3 m2. The sound intensity during a normal conversation is about 3.94 Ã- 10-6 W/m2 at the listener's ear. How much power is intercepted by the ear
What is an average speed
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