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An electromagnetic wave with frequency 65.0 Hz travels in an insulating magnetic material that bas dielectric constant 3.64 and relative permeability 5.18 at this frequency. The electric field bas amplitude 7.20 x 10-3 v/m
(a) What is the speed of propagation of the wave?
(b) What is the wavelength of the wave?
(c) What is the amplitude of the magnetic field?
(d) What is the intensity of the wave?
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 151? C. Boltzmann's constant is 1.38066 × 10?23 J/K, What is the rms speed of argon
Illustrate what is the average force exerted on the ball by the bat? Neglect the weight of the bat, since it is so much less than the force of the bat. Choose the direction of the incoming ball as the positive direction.
A person is trying to practice with their yo-yo. They can throw the yo-yo with initial angular velocity w(initial) = 500 rad/sec. How long does it take yo-yo to spin to rest
A particle of mass 0.500 kg is attached to the 100 cm mark of a meter stick of mass 0.100 kg. What is the angular momentum when the stick is pivoted about an axis perpendicular to the table through the 0 cm mark
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Obtain the moment of inertia around the center of mass
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 17 in 9.1 . Assume the merry-go-round is a uniform disk of radius 2.5 and has a mass of 770 , and two children (each with a ..
Suppose you want a capacitor bank with a total capacitance of 1.450 F and you possess numerous 2.50 mF capacitors. What is the smallest number you could hook together to achieve your goal
People who suffer from cataracts may have the lenses in their eyes replaced by artificial lenses. what is the refractive power of the glasses she will need to see the object clearly
A wire, 24 m long, moves at 4.8 m/s perpendicularly through a 0.59 T magnetic field. What emf is induced in the wire
A projectile is shot from the edge of a vertical cliff 60.0 m above the ocean. How far from the foot of the vertical cliff does the projectile hit the water
The position of an alien spacecraft is given by r = o.78t^3i - 1.7t^2j + 0.39k m. The mass of the spacecraft is 2.45 x 10^6 kg. Find the net force on the spacecraft at t = 8 s
Block M=70N and block m=35N are connected by a string as shown. If the pulley is massless and the surface is frictionless, the magnitude of the acceleration of the 35N block is block is:
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