- A120 s
- B40 s
- C24 s
- D48 s
Step-by-Step Solution
The driver is a point, so only the slower train's 500 m passes him. Relative speed km/h m/s. Time s. (48 s adds both lengths.)
Answer: C) 24 s
Two goods trains, each 500 m long, run in opposite directions on parallel tracks at 45 km/h and 30 km/h. How long does the slower train take to pass the driver of the faster one?
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