A car with mass $1200\,\text{kg}$ has momentum $18\,000\,\text{kg m s}^{-1}$. What is the car’s kinetic energy?
- A$4.65\,\text{kJ}$
- B$6.57\,\text{kJ}$
- C$135\,\text{kJ}$
- D$270\,\text{kJ}$
Physics 9702 · AS & A Level · Momentum and Newton's laws of motion
A car with mass $1200\,\text{kg}$ has momentum $18\,000\,\text{kg m s}^{-1}$. What is the car’s kinetic energy?