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A particular steel guitar string has mass per unit length of 1.93 g/m.
a) If the tension on this string is 63.3 N, what is the wave speed on the string?
b) For the wave speed to be increased by 1.57 %, by what percentage should the tension be increased? Do not enter unit.
Consider the fusion reaction 21H+21H?32He+10n. Compute the energy per mole of deuterium, remembering that the gas is diatomic
A railroad car of mass 2.54 x 104 kilogram is moving with a speed of 3.88 m/s. It collides and couples with three other coupled railroad cars, Obtain the speed of the four cars after the collision
Two stretched cables both experience the same stress. The first cable has a radius of 3.1x10-3 m, and is subject to a stretching force of 370 N. Determine the stretching force on the second cable
It explodes on a mountainside 36.0 s after firing. Illustrate what are the x and y components of the shell where it explodes, relative to its firing point?
Find the forces that act on each of the three charges. a) q = -1.0 µC in vector form b) q= 3 µC in vector form b) q =5 µC in vector.
an astronomical telescope is used to project a real image of the moon onto a screen 32 cm from an ocular of 6 cm focal
A pair of earplugs claims to reduce the sound level by 37.1 dB. By what factor is the intensity reduced
A 70 m3 incompressible box is completely submerged in a fluid. What volume of fluid is displaced by the box if the fluid is air? The density of air is 1.2 kg/m3
Define a spectrum and discuss how spectra are used in astronomy. Explain how emission and absorption lines are produced and discuss the information they convey. Describe how the spectrum of an object emitting thermal radiation can be used to find the..
You are flying to Chicago for a weekend away from the books. In your last physics class, you learned that the airflow over the wings of the plane creates a lift force, estimate the banking angle of the plane relative to the horizontal
A small airplane has a mass of 2500 kg and is flying at a speed of 100. m/s at a height of 340 m above the ground. Determine the kinematic energy of the airplane while it is flying
A current of 12 Ampere runs through the Parallel Wire Apparatus. What is the anticipated mass
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