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ah, i ment rpm's =) thanks
Hi baroney, thanks a lot for pointing out the typo above the video. It's fixed now: 3.6 times 10^4 rpm (take care with units. It is not in rad/s in the final answer).
I got the right answer, but thaught it was wrong because it says 2,6 x 10^4. THE RIGHT ANSWER IS 35730 rad/s