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P. 4782. One end of a 16 cm-long and a 30 cm-long pieces of rope are attached to the ceiling at a distance of 34 cm. The other ends of the ropes are attached to a small object of mass 17 grams.

$\displaystyle a)$ Calculate the tensions in the ropes.

$\displaystyle b)$ The shorter rope is burnt. What is the tension in the other rope when it is vertical?

(4 points)

Deadline expired on 11 January 2016.

Statistics on problem P. 4782.
 128 students sent a solution. 4 points: 81 students. 3 points: 17 students. 2 points: 12 students. 1 point: 12 students. 0 point: 5 students. Unfair, not evaluated: 1 solution.

• Problems in Physics of KöMaL, December 2015

•  Támogatóink: Morgan Stanley