Can you think a certain equation that may relate the v, i and r to the bernoulli's equation?
it's like a equation using voltage, current, resistance that is similar to the bernoulli's equation:
p1+1/2rhov12+rhogh1=p2+1/2rhov22+rh ogh2

At maximum height, kinetic energy is converted in potential energy  formula: at max height, ke = ½ * 0.27kg * (16m/s) ² = 34.56 j  so the remaining pe = (41.70 – 34.56)= 7.14 j = 0.27 kg * 9.8m/s² * h  = (9.8/7.14 * 0.27)so max height h = 5.08 or 5 m 

B? i think so but hope that's right and answers your question