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1. Write the time-domain expressions for the electric and magnetic field vectors for a wave traveling in the -z direction in seawater and having a frequency of 1 MHz.
2. A 1-MHz, 10-V/m uniform plane wave is traveling through seawater. Determine the power dissipated over a distance of 1 mm with surface area of 2 m2.
A charge of 0.99 C is spread uniformly throughout a 18 cm rod of radius 4 mm. What are the volume and linear charge densities?
A spaceship needs to change its course thus that the magnitude of its momentum p remains the same but the direction changes by the angle α. Obtain the minimum time for which the engines must be turned on
An electric motor under steady load draws 9.7 amperes at 110 volts; it delivers 0.93 kW of mechanical energy. The temperature of the surroundings is 300 K. What is the total rate of entropy generation Sg? What is its origin?
a simple harmonic oscillator consists of a block of mass 3.00kgattached to a spring of spring constant 370 N/m. what is the amplitude of the oscillations
What is the speed of the block while the spring is till now compressed by xf=0.14m.
A beam of light is emitted in a pool of water from a depth of 62.0cm. Where must it strike the air-water interface, relative to the spot directly above it
A 300 gram mass moving at 7.5 cm/s eastward collides with a 500 gram mass moving at 5.0 cm/s westward on a horizontal low friction surface. Find the velocities of each mass after the collision
A skier launches off a ski jump with a horizontal velocity of 26.2 m/s (and no vertical velocity component). What are the magnitudes of the horizontal and vertical components of her velocity the instant before she lands 1.96s later?
The critical angle for total internal reflection at a liquid-air interface is 45.0^\circ. what angle does the refracted ray in the air make with the normal
A grasshopper jumps a horizontal distance of 1.50 m from rest, with an initial velocity at a 41.0° angle with respect to the horizontal. Find the initial speed of the grasshopper
A series RLC circuit is driven by an alternating source at a frequency of 410 Hz and an emf amplitude of 90.0 V. What is the rms potential difference across the resistor
A trained dolphin leaps from the water with an initial speed of 12. What is the vertical distance between the dolphin and the ball when the dolphin reaches the horizontal position of the ball
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