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An electric dipole of dipole moment = (5 × 10-10 C.m) is placed in an electric field = (2 × 106 N/C) +(2 × 106 N/C) . What is the maximum torque experienced by the dipole?
In bouncing off a racket, a 50 g tennis ball had its velocity changed from 15 m/s in the forward direction to 20 m/s, how long was the ball in contact with the racket
(a) Determine the distance of the final image relative to the converging lens. (b) What is the height of the final image (including the proper algebraic sign)?
A dynamite blast at a quarry launches a rock straight upward, and 2s later it is rising at a rate of 15m/s. assume air resistance has no effect on the rock, analyse its speed (a) at launch and (b) 5s after launch.
A charge of 3.0 uC(micro C) and a second charge are initially far apart. find the magnitude of the unknown charge
A parallel beam of light with an energy flux S of 10 W/cm2 falls for 1 hour on a perfectly reflecting plane mirror of 1.0 cm2 area. what force acts on the mirror
Write at least one paragraph in which you define focal length, object and image distance and magnification. Explain the difference between real and virtual images
How might a magician make the Statue of Liberty disappear? Imagine that you are sitting with some spectators on a circular platform that, unknown to all of you, can rotate very slowly. It is evening, and you can see the Statue of Liberty a short dist..
find the coefficient of kinetic friction between skis and snow.Three equal point charges, each with charge 1.80 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.500 m. What is the electric potential energy U o..
A baseball player hits a triple and ends up on third base. A baseball "diamond" is a square, What is the magnitude of his displacement
.A cosmic-ray proton in interstellar space has an energy of 10.0 MeV and executes a circular orbit having a radius equal to that of Mercury’s orbit around the Sun (5.80 m). Illustrate what is the magnetic field in that region of space?
A 68-kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.11. What would be the magnitude of acceleration.
What was the bullet's speed as it left the barrel. A 1kg block rests against one end of a horizontal spring which is compressed by 10 $cm$.
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