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A convex lens with a 10-cm focal length is in front of a concave lens with a 10-cm focal length. The lenses are separated by 40 cm. An object is 20 cm in front of the convex lens.
a. Where is the final image with respect to the convex lens?
b. Is the image real or virtual and why?
c. What is the final magnification?
A high-voltage transmission line with a resistance of 0.335 ?/km carries a current of 1.45 kA, What fraction of the transmitted power does this loss represent
Air isn't a perfect electric insulator, but it has a very high resistivity of 3x10^13 omega*m. what fraction of the charge will flow across the air gap
what is the final equilibrium temperature of the system?
A frictionless pulley has the shape of a uniform solid disk of mass 6 and radius 25 . A 1.90 stone is attached to a very light wire that is wrapped around the rim of the pulley.
suppose that a projectile which is subject to a linear resistive force is thrown down with a speed of Vyo, Describe and explain how the velocity varies with time, and make a plot of Vy against t
Two rockets, A and B, approach the earth from opposite directions at speed 0.60c. What is the length of rocket A as measured by the crew of rocket B
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.73 m/s, What is the maximum possible value for d
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 601 mW/ m2
Define the frequency components of an AM signal and draw the AM signal for the given modulation index.
Two charges charges of -2.1 micro-coulombs and a charge of +2.1 micro-coulombs are placed on the corners of an equilateral triangle where the length of a side is 44 cm as shown in the sketch below. What is the magnitude of the total electric field..
The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, find the cheetah's average acceleration during the short sprint
If you were on a spaceship traveling a 0.5c away from a star, at what speed would the starlight pass you
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