A train of length 100m is crossing a bridge 200m in length, at the speed of 15 m/s. What is the time taken by the train to cross the bridge?
Everyday Science / Physics — Multiple-choice practice
- A. 20 sec
- B. 15 sec
- C. 10 sec
- D. 25 sec
Correct answer
20 sec
Explanation
Explanation Total distance = Length of train + Length of bridge = 100 m + 200 m = 300 m Speed = 15 m/s Time = Distance / Speed = 300 / 15 = 20 seconds
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