Question

a train 120 m long moving on a straight and level track with uniform speed passes a pole in 6 sec .find the time it will take to cross a 50m long bridge ​

Answer 1

Answer:

8.5 seconds

Explanation:

Given :

• Length of the train = 120 metres

• Time taken to cross the pole = 6 seconds

To find :

• Time taken to cross a bridge of 50 metres

Speed of the train = 120/6

Speed of the train = 20 m/s

Time taken to cross a 50 metres bridge = 120+50/20

Time taken to cross a 50 metres bridge = 170/20

Time taken to cross a 50 metres bridge = 8.5 seconds

The answer is 8.5 seconds