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1. A 20-foot organ pipe generates sound waves which are12.5 meters long. At what frequency does the pipe make sound?
2. One of the most renowned concert halls in the world, the Amsterdam Concertgebouw, is rectangular in shape with dimensions of 30.4 meters by 20.4 meters by 9.2 meters. Which frequencies have wavelengths that match each of those lengths?
Workers pushing a 180 kg trunk across a level floor encounter a 10m long region where the floor becomes increasingly rough; How much work does it take to push the trunk at constant speed across the region
In a lightning bolt, a large amount of charge flows during a time of 2.1 x 10-3 s. How much charged has flowed during the lightning bolt?
A piece of wood is 0.640m long, 0.230m wide, and 7.00×10^?2 m thick. What is the mass of this volume of lead
Assume the sound speed in air is 343 m/s. A jet aircragt's engines emit an 850 Hz roar. What frequency do you hear if the aircraft approaches you at 540mph
How many nanoseconds does it take light to travel a distance of 1.50km in vacuum
50-turn coil of wire of dimensions 9 cm by 5 cm. It carries a current of 0.090 A and is hinged along one long side. What is the torque acting on the coil about the hinge line
A rocket weighs 2.45 x 105 Newton and can accelerate straight up at 2.00 m/s2. Determine what is the thrust force
A quantity of steam (800 g) at 115oC is condensed, and the resulting water is frozen into ice at 0oC. How much heat was removed? A sample of neon gas has its volume doubled and its temperature held constant. What will be the new pressure relative to ..
A conical pendulum in which the bob moves in a horizontal circle at the end of a long wire. find the centripetal acceleration that the mass experiences
let c 3.10m 15 degrees above the x-axis and d 23.3m 44 degrees to the right of the negative y-axis. find the magnitude
A 12.0L gas tank containing 3.40 moles of ideal He gas at 30.0C is placed inside a completely evacuated insulated bell jar of volume 37.0L. A small hole in the tank allows the He to leak out into the jar until the gas reaches a final equilibrium stat..
explain in key words what the fundamental difference is between the water circulation in the ocean and in a large and
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