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You have a string with a mass of 14.1 g. You stretch the string with a force of 8.49 N, giving it a length of 1.97 m. Then you vibrate the string transversely at precisely the frequency that corresponds to its fourth normal mode, that is, at its fourth harmonic. What is the wavelength of the standing wave you create in the string? What is the frequency?
Forces are vector quantities with units of Newtons (N); 9.8 N of force are required to support 1.0 liter of water near the surface of the Earth. In this question, you eventually have to add three forces acting on a particular object so as to find ..
A 1.78 m long air column is open at both ends. The frequency of a certain harmonic is 828 Hz, and the frequency of the next-higher harmonic is 920 Hz. find out the speed of sound in the air column.
A simple pendulum is constructed from a mass of 2 kg and a massless string of length 3.5 m. What is the period of the pendulum
Air bags are designed to deploy in 10 ms. Estimate the acceleration of the front surface of the bags as it expands. Express your answer in terms of the acceleration of gravity g
Two snowy peaks are 996 m and 896 m above the valley between them. A ski run extends down from the top of the higher peak and then back up to the top of the lower one, At what speed will she arrive at the top of the lower peak
A point source of light lies at the bottom of a large pool of water. How deep is the pool
Two satellites are in circular orbits around a planet that has radius 9.00x10^6m. What is the orbital speed of this second satellite
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
A ladder of unknown length and mass of 29.00 kg rests on a rough floor, and leans against a rough wall. The coefficient of static friction between the ladder and both the floor and wall are 0.68.
A 2.50-g bullet travelling at a speed of 425 m/s, strikes the wooden block of a ballistic pendulum, such as that Figure in 7.12. The block has a mass of 215 g. Calculate the speed of the bullet/block combination quickly after the collision.
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
A box is on the back of a truck, the truck is moving at 72.0 km/h along a level road. what is least distance that the truck can stop in without the box sliding
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