A36.0-kg child swings in a swing supported by two chains, each 2.94 m long. the tension in each chain at the lowest point is 416 n. (a) find the child's speed at the lowest point. (no response) m/s (b) find the force exerted by the seat on the child at the lowest point. (ignore the mass of the seat.

During the experiment if you could triple the breakaway magnetic force with all other quantities left unchanged, what is the new value for the critical velocity if it was v0 (initial velocity), initially? (b) now if you halved the radius with all other quantities left unchanged, what is the new critical velocity if it was v0 (initial velocity), initially? (c) if during the experiment, critical velocity quadrupled with all other quantities left unchanged, what is the new breakaway force if its magnitude was initially f0,?