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The "Giant Swing" at a county fair consists of a vertical central shaft with a number of horizontal arms attached at its upper end. Each arm supports a seat suspended from a cable 5.00 m long, the upper end of the cable being fastened to the arm at a point 3.00 m from the central shaft.
A. Find the time of one revolution of the swing if the cable supporting a seat makes an angle of 30.0? with the vertical.
B. Does the angle depend on the weight of the passenger for a given rate of revolution?
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A baseball is hit with a speed of 30ms-1 at an angle of 40degrees. It land`s on the flat roof of a nearby building with a height of 14 m. If the ball was hit when it was 1.40 m above the ground, what horizontal distance does it travel before it la..
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The sunlight reaching the earth has a maximum electric field 810 V/m. compute the maximum magnetic field associated with it.
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