An object drops through a vertical distance of $5.0\,\text{m}$. Ignore air resistance. When it reaches the ground, the object has $750\,\text{J}$ of kinetic energy. What is the mass of the object?
- A$15\,\text{kg}$
- B$50\,\text{kg}$
- C$75\,\text{kg}$
- D$150\,\text{kg}$