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A man holds a double-sided spherical mirror therefore that he is looking directly into its convex surface, 55 cm from his face. The magnification of the image of his face is +0.23. What will be the image distance when he reverses the mirror (looking into its concave surface), maintaining the similar distance among the mirror and his face? Be sure to include the algebraic sign (+ or -) with your answer.
A light beam having a wavelength of 470. nm in air is directed into glycerine (n = 1.47). What is the frequency of the light in the glycerine
A dog and her handler are at rest and are facing each other at a distance 40.0meters. Find the (common) position where the dog and the handler meet
It is desired to construct a solenoid that will have a resistance of5.20(at 20°C) and produce a magnetic field of 4.00multiplied by10-2T at its center when it carries a current of3.40A. determine the length the solenoid should have
Suppose the strings on a violin are stretched with the same tensionand each has the same length between its two fixed ends. Themusical notes and corresponding fundamental frequencies of two ofthese strings are G (196.0 Hz) and E (659.3 Hz).
A disk-shaped merry-go-round of radius 2.03m and mass 185kg rotates freely with an angular speed of 0.671rev/s. What is the final angular speed of the merry-go-round
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +4q. Sphere B carries a charge of -9q. What is the total charge on the three spheres before they are allowed to touch each other
q1. an airplane is flying with a velocity of 83.0 at an angle of 25.0 above the horizontal. when the plane is a
A very small call (m = 4 gms) hangs on a thread at an angle of ? = 30o. What is the strength of the electric field
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
a crane is lifting a180kg crate upward with an acceleration of 1.2.the cable from the crate passes over a solid
in a newtons rings demonstration using 540-nm light the distance from the center of the rings to the first bright ring
Two pendula of equal length b and equal masses m connected by a spring of force constant k. Write the Lagrangian for the system, and use it to derive the equations of motion of the system
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