Which of the Following Represents the "Mechanical Equivalent of Heat

Multiple Choice

Which of the following represents the "Mechanical Equivalent of Heat"?

A) 1 ft-lb = 1.36 Joules
B) 1.00 J = 0.239 cal
C) 1 cal = 3.97 × 10^-3 BTU
D) 1. eV = 1.6 × 10^-19 J
E) 1. J = 1 kg.m² / s²