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A solenoid has a cross-sectional area of 5.60 x 10-4 m2,consists of 500 turns per meter, andcarries a current of 0.4 A. A 10 turncoil is wrapped tightly around the circumference of the solenoid.The ends of the coil are connected to a 2.2 Ω resistor. Suddenly, a switch is opened,and the current in the solenoid dies to zero in a time of0.05 s. Find the average current induced in the coil.
the dielectric constant for polystyrene filling is 2.5. a coaxial cable consists of a cylindrical metal sheath with
a very long solid insulating cylinder of radius a has charge distributed uniformly throughout its volume with charge
Air is confined at atmospheric pressure (101.3 kPa) in a cylinder whose volume is 0.22 m3. Calculate the increase in internal energy of the air
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 28.5° and the angle of refraction is 16.6°, find the critical angle for the liquid
Suppose a star with radius 8.36 108 m has a peak wavelength of 692 nm in the spectrum of its emitted radiation. What is the surface temperature of the star
If the net work done on an object is zero, what can you determine about the object's kinetic energy?
Water has a density of 1000 kg/m^3. One atmosphere is 1.013 X 10^5 N/m^2. Find the pressure in the upper pipe
A stretched string of length L is plucked at a position L/5 by producing an initial displacement h and then releasing the string. Find the amplitudes for the fundamental and the first three harmonics.
Multiple Concept Example 4 and Interactive LearningWare 6.2 review the concepts that are important in this problem. What is the final speed of the probe
As we discussed in class, most of the refraction in your eye happens at the surface of your cornea (n = 1.376). Use this idea to explain why wearing a swimming mask or goggles helps us to see more clearly underwater. Include a diagram in your expla..
A room measures 3.0 m by 4.5 m by 6.0 m. If the heating and air-conditioning ducts to and from the room are circular with diameter of 0.30 m, WHat is the necessary flow speed in the duct
How many liters of gasoline would give the same mechanical energy given that each liter provides 8.50x10^6 J of mechanical energy.
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