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Calculate the power spectrum of square pulse with amplitude, A and length, τ0. plot the power spectrum, shower several zero-crossings. Showing the bandwidth in frequency is inversely proportional to τ0.
a 15mw energy laser has a beam exit diameter of 2cm and beam divergence of 0.0002radians.anbspnbspcalculate the power
The maximum strength of the earth's magnetic field is about 7.0 x 10-5 T near the south magnetic pole. What is the minimum number of turns (area per turn = 0.021 m2) that the coil must have to produce an rms voltage of 170 V
A 4-kg block lies on a horizontal table whose coefficient of friction is 0.3. A horizontal rope is redirected by a uniform solid disk (pulley) of mass 2 kg to a mass of 12-kg hanging off the table. How many revolutions does the disk of the pulley m..
If two successive overtones of a vibrating string are 420 Hz and 480 Hz, what is the frequency of the first overtone
A 68.1-kg basketball player jumps vertically and leaves the floor with a velocity of 1.92 m/s upward. (Take upward as positive and forward as positive.), What impulse does the player experience
During an adiabatic expansion the temperature of 0.500mol of argon (Ar) drops from 48.0?C to 15.0?C. What is the change in internal energy of the gas
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
The force has magnitude 5.4 N and is directed at a counterclockwise angle of 103° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement
A 12-kg block (M) is released from rest on a frictionless incline that makes an angle of 28 degrees. How far does the block move down the incline from its rest position to the stopping point
find a horizontal force needed to pull a mass of 500 gram at constant velocity on a level surface and µk = 0.3?
To what angle beta can the sculpture be tipped.
A thermos contains 170 cm3 of coffee at 85° C. To cool the coffee, you drop two 14-g ice cubes into the thermos. What is the final temperature of the coffee
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