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A simple refracting telescope provides large magnification by employing
A) a long focal length objective and a long focal length eyepiece.B) a long focal length objective and a short focal length eyepiece.C) a short focal length objective and a short focal length eyepiece.D) a short focal length objective and a long focal length eyepiece.PLEASE EXPLAIN YOUR ANSWER
An L-R-C series circuit, R=150 ohms, L= 0.750H, and C= 1.70x10^-2uF. The source has a voltage amplitude of 140V, What is the average power delivered by the source
Each of three tuning forks, A, B, and C, has a slightly different frequency. What is the smallest possible beat frequency when B and C are sounded together
The observer on the right, sees two final images. One image comes directly from the objet. What is the focal length of the concave mirror
A steel rod with a length of l = 1.55 m and a cross section of A = 4.84 cm2 is held fixed at the end points of the rod. What is the size of the force developing inside the steel rod
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Calculate the doppler shift of x rays emitted from shocked silicon in a supernova remnant of the ejected material is moving at 5000 km/sec
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A Carnot engine is operated between two heat reservoirs at temperatures of 300K and 400K.
Given that Neptune is about 30 AU from the sun, how many years does it take to complete an orbit around the Sun? Using this information
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, Is this force attractive or repulsive
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, what is the new period of the merry-go-round
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