A train having a mass of $600\,000\,\text{kg}$ travels at a speed of $100\,\text{km h}^{-1}$. What is the order of magnitude of the train’s kinetic energy?
- A$10^6\,\text{J}$
- B$10^8\,\text{J}$
- C$10^{10}\,\text{J}$
- D$10^{12}\,\text{J}$
Physics 9702 · AS & A Level · Gravitational potential energy and kinetic energy
A train having a mass of $600\,000\,\text{kg}$ travels at a speed of $100\,\text{km h}^{-1}$. What is the order of magnitude of the train’s kinetic energy?