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Sound is generated from standing waves in two tubes which are bothopen at both ends and are identical, apart from one tube havinglength L and the other tube being only seven eighths as long. If the speed of sound is v, what is the expression for the beatfrequency produced by the two fundamental (1st harmonic)frequencies?
A physics lab demonstrates the principles of simple harmonic motion (SHM) by using a spring affixed to a horizontal support. The student is asked to find the spring constant, k. After suspending a mass of 335.0 g from the spring, the student notic..
The light goes through a second polarizer and exits with an intensity of 225 W/m squared, What is the orientation angle of the second polarizer
A 55 year old woman who is complaining of intermittent flushing, itching and heartburn for several months. Mega dosing of that of the following vitamins may result in these symptoms.
On an essentially frictionless, horizontal ice rink, a skatermoving at 2.0 m/s encounters arough patch that reduces her speed by 49% due to a friction force that is 26% of her weight. Use the work—energy theorem to find the length of this rough pa..
A second oil is then poured into the right arm until the two levels are even. A small object (density 0.640 g/cm3 ) is dropped into the second column of oil and it is found to float with 20.0% of its volume above the surface.
1400 kg car acelerates from 45mph (20.1 m/s) to 65mph (29.1m/s) over a distance of 440 m in 35 s. what is the network done on the car by all forces acting on it
A 50g marble moving at 2.2m/s strikes a 30g marble at rest. Assume the collision is perfectly elastic and the marbles collide head-on. What is the speed of the first marble
A very early, simple satellite consisted of an inflated spherical aluminum balloon 30 m in diameter and of mass 20 kg. What is the gravitational force on the meteor from the satellite at the closest approach
Estimate the minimum accelerating voltage required for an X-ray tube with a Fe26 anode to produce a Ka line
The amount of heat added is 6.3 kJ, of which one-third is added at constant volume and the remainder at constant pressure. Calculate (a) the energy transfer for each of the components
A light rod of length 1.8 m has two point masses of mass 2 kg attached at either end. If the spring constant is 3.7 Nm.rad-1, what is the period of the resulting motion
Determine the weight at standard gravity of 10.0 lbm in (a) lbf, (b) poundals, (c) dynes, and (d) newtons
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