A man is standing beside a railway track. A train moving at $40\text{ m s}^{-1}$ needs $2.0\text{ s}$ to go past the man. What is the train's length?
- A$20\text{ m}$
- B$38\text{ m}$
- C$40\text{ m}$
- D$80\text{ m}$
Physics 0625 · IGCSE · Motion
A man is standing beside a railway track. A train moving at $40\text{ m s}^{-1}$ needs $2.0\text{ s}$ to go past the man. What is the train's length?