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1. Write an expression for a R -state lightwave of angular frequency wand amplitude E0 propagating in the positive x-direction such thatat t=0 and x=0 the E-field points in the negative z-direction.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
A small rock is found orbiting an asteroid at a distance of 150,000 meters and with an orbital period of 12,000 seconds. Compute the mass of the asteroid. The constant is 6.67 x10-11m 3/kgs2.
Light of two different wavelengths is used in a double-slit experiment. What is the wavelength of the other light
Find out the angle theta_1 through which the flywheel will have turned during the time it takes for it to accelerate from rest up to angular velocity omega_1.
A cosmic ray travels 60km through the earth's atmosphere in 450us , How long does the journey take according to the cosmic ray
A spherical bowling ball with mass m = 4 kg and radius R = 0.108 m is thrown down the lane with an initial speed of v = 8.8 m/s. How long does it take the bowling ball to begin rolling without slipping
The primary coil of a transformer has 232 turns; the secondary coil has 1900 turns. An alternating current is sent through the primary coil. What is the emf amplitude in the secondary
Cliff and Will support the board at each end so that it is horizontal. What force does Will apply to the board
question one method of determining the refractive index of a transparent solid is to measure the critical angle when
Four wooden beams, each of length 2a, are nailed together at their midpoints to form the support system shown. Assuming that only vertical forces are exerted at the connections, determine the vertical reactions at A, D, E, and H.
An electron is released from rest at the negative plate of a parallel plate capacitor. Obtain how fast is the electron moving just before it reaches the positive plate
A stone is thrown directly upward at 15.0 from ground level and feels no appreciable air resistance. make Use of the work-energy theorem to find how high it will be when its speed has been reduced to half of its initial value.
Imagine trying to build a portion of a draw bridge as in the following. The side towers reach h=100 meters high above the road level. what is the total tension in the lift wire
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