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A student is trying to push a desk of mass m = 95kg and horizontal width w = 0.8m along the floor. The coefficient of friction between the desk and the floor is ms = 0.66. The center of mass of the desk is at the geometric center of the rectangle shown.
What is the minimum force necessary to move the desk?
If the force that is applied is just barely less than the answer to the previous problem, what is the maximum height h so that the desk won't tip over?
What range is appropriate
A cosmic ray electron moves at 7.00 multiplied by 106 m/s perpendicular to the earth's magnetic field at an altitude where field strength is 1.20 multiplied by 10-5 T
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compute the mean scattering cross-section at a frequency of 5 MHz of a distribution of air bubbles of 3 μm mean radius, assuming a Gaussian size distribution of a variance of 1 μm and 1.5 μm. The total damping constant is 1.0.
A 564 Hz sound wave travels through a substance. What is the speed of sound in the substance
Two steel juggling balls each carry a charge of 2.75 ?C. determine the distance between the centers of the two balls
Two loudspeakers are vibrating in phase. They are set up as point C is located. Assume the speed of sound is 342 m/s. The speakers play the same tone. What is the smallest frequency that would produce destructive interference at point C.
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