Task 10384.
Bead mass m = 40 g fastened to weightless thread is rotated in a horizontal plane about a vertical axis at a speed n1 = 2 v / v. What makes a person a job, shortening the string with 60 cm to 20 cm?
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.
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