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P. 4382. The bob of a 2-m long pendulum undergoes circular motion in a horizontal plane. At most how long does it take to cover a complete circle?

(4 points)

Deadline expired on 12 December 2011.

Google Translation (Sorry, the solution is published in Hungarian only.)

Megoldás. $\displaystyle T\le 2\pi \sqrt{{\ell}/{g}}=2{,}83$ s.

Statistics on problem P. 4382.
 127 students sent a solution. 4 points: 82 students. 3 points: 18 students. 2 points: 10 students. 1 point: 12 students. 0 point: 5 students.

• Problems in Physics of KöMaL, November 2011

•  Támogatóink: Morgan Stanley