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Q. Illustrate that soccer balls go faster in the air on a cold or hot day?
Answer:-
On a hot day the air molecules have additional kinetic energy they move around more freely. They will travel out of the way of the soccer ball that is moving through them more easily when the air is warm. In physics we might articulate that the warmer air is more susceptible to shear force than cooler air. The warmer air will "part" further easily to let the ball pass through.
How theta between plane of the coil and magnetic field remains constant
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two insulated charged copper spheres A and B of identical size have charge q and -3q respectably .when they are brought in contact with each other and then separated,what are the n
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