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the giant swing at the 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 d1=4.75 m long, the upper end of the cable being fastened to the arm at a point d2= 3.05 m from the central shaft.
find the time of one revolution of the swing if the cable supporting a seat makes an angle of theta = 30.5 degrees with the vertical.
What is the velocity of the rocket when it runs out of fuel.
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Consider a system composed of a mixture of 2.50kg of ice and 50 gr of liquid water and a small separate container of finely powdered salt. This physical system is contained in a fully insulated container that prevent.
A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. what is the size of the spot this beam would make on the moon
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