Question

You get paid $1.25 per joule of work. How much do you charge for moving a 10.0 kg box up to a shelf that is 1.50 meters off the ground?

Answer 1

It would cost
S = k mgh = 1.25[$/J] * 10.0[kg] * 10[m/s²] *1.5 [m] = $187.5 .