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The tension in a guitar string is doubled. Does the frequency of oscillation also double? If not, by what factor does the frequency change? Specify whether the change is an increase or a decrease.
Isaac Newton, having convinced himself (erroneously as it turned out) that chromatic aberration was an inherent property of refracting telescopes, invented the reflecting telescope.
A system consists of two particles. At = 0 one particle is at the origin; the other, which has a mass of 0.50 , is on the -axis at = 6.0. At = 0 the center of mass of the system is on the -axis at = 2.4. The velocity of the center of mass is given..
Determine the minimum angle of incidence for light traveling in flint glass in order to undergo total internal reflection from water
an ideal gas of molar mass m is located in a uniform gravitational field whose free fall acceleration is g. a find the
question consider two straight conductors of length 1.1 m carrying current of 24 a and 12 a respectively. if they are
NASA launched a flying saucer to the top of the stratosphere. The plan was for the flying saucer to reach a height of 50 kilometer before entering the next phase of launch to the planet mars using rocket in space. Find how much time did it take fo..
Three charged particles are placed at each of three corner of an equilateral triangle whose sides are of length 2.5 c.m. What is the net electric force acting on particle
1. An alien starship is 0.20 lightyears from Earth and traveling at 0.70c, as observed from Earth. This ship sends out a smaller scout ship to see if the inhabitants of Earth are friendly. This scout ship travels at 0.90c as seen from the stars..
A satellite is in an elliptical orbit at altitudes ranging from 250to 890 km. At the high point it's moving at 7.23 km/s. How fast isit moving at the low point?
While two forces act on it, a 10 kg particle is to move at a constant velocity v=(6.8m/s)i +(5.2m/s)j. One of the forces is F1=(4.1N)i +(18.5N)j. What is the j component of the other force
A merry-go-round is spinning and has a period of 7.25 s. A boy jumps off in a direction parallel to the radius and, by so doing, changes the moment of inertia of the merry-go-round from 575 kg·m2to 545 kg·m2. By conservation of angular momentum, appr..
If we observe a star's spectrum and find that the peak power occurs at the border between red and infrared light, what is the approximate surface temperature of the star
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