Question

A train moving at 72 km/h passes a man walking in the same direction at 6 km/h in 18 seconds. What is the train&#8217;s length?

Accepted Answer

B. 330 meters Explanation: Relative speed is 66 km/h = 55/3 m/s.
Length = speed × time = 55/3 × 18 = 330 meters.

A train moving at 72 km/h passes a man walking in the same direction at 6 km/h in 18 seconds. What is the train’s length?