A small stone of mass m is attached to a light string which passes through a hollow tube. The tube is held by one hand and the free end of the string by the other hand. The mass is set into revolution in a horizontal circle of radius r1 with a speed v1. The string is pulled down shortening the radius of the circular path to r2. Which of the following is not correct? (ω1,Ek and T have usual meanings).
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"down" (and any subsequent words) was ignored because we limit queries to 32 words.
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