PLEASE ANSWER FAST
4) A 71.0-kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. If the period
of oscillation is 11.2 s, what is the spring constant (force constant) of the bungee cord?
A) 35.7 N/m
B) 22.3 N/m
C) 26.8 N/m

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?