10389.
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- Physics
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- Юрий Физик · about the seller and their products
DESCRIPTION
10389.
A ball attached to a weightless thread rotates in a horizontal plane around a vertical axis. How many times must the thread be shortened in order to do the work A2 = 1.6 J, if the work A1 = 0.6 J is done when the thread is shortened by 2 times?
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A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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