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An electromagnetic wave traveling in the negative x direction has an electric field amplitude of 10.0 V/m in the positive y direction.
a. calculate the amplitude of the magnetic field.
b. what is the orientation (direction) of the magnetic field?
A uniform metal rod, with a mass of 3.3 and a length of 1.4 , is attached to a wall by a hinge at its base. A horizontal wire bolted to the wall 0.59 above base of the rod holds the rod at an angle of 25 above the horizontal. The wire is attached ..
The middle C string on a piano is under a tension of 944N. The period and wavelength of a wave on this string are 3.82 ms, calculate the linear density of the string
At what angle to the surface must a diver submerged in a lake look toward surface to see the setting Sun just all along the horizon.
A brave child decides to grab on to an already spinning merry-go-round. What is the moment of inertia of the merry-go-round with respect to its central axis
A 0.30 kg softball has a velocity of 12 m/s at an angle of 35° below the horizontal just before making contact with the bat. The ball leaves the bat 2.0 ms later with a vertical velocity of magnitude 10 m/s. What is the magnitude of the average f..
A parallel plate capacitor with 4.0 mm plate spacing has circular plates and holds a charge of +/- 6 uC on each plate when it is charged to a potential of 100 V. What is the radius of the plates
Find the resulting angular speed of the disk (in rad/s) and describe the direction of rotation.
A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and dives with the free-fall acceleration. If the pigeon is 81.5 m below the initial height of the falcon, how long does it take the falcon to intercept the pigeon..
A certain black body radiates 1200 W at a temperature of 2000 K. how much power does this body radiate at 3000 K
Compute the rms speed of a nitrogen molecule at 12.0°C and At what temperature will the rms speed be half that value
If the football has the mass of .420 kg and the time of contact with the ball is .014 s, what is the force exerted by the ball on a kicker's foot.
A cell has a 7.0-nm-thick membrane with a total membrane area of 6.0\times10^{-9}\;{\rm m^2}, How many sodium ions does this charge correspond to
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