Question

29. A person travelling by a train, crosses a tunnel in 9/2minutes. If the speed of the train is 36 kms per hour, then find the length of the tunnel.
who will give the answer i mark it brainliest but with explaination ​

Answer 1

Answer:

Train crosses the tunnel in 270 seconds

Train moves 10 metres in one second.

In 270 Seconds the train will cross = 270 × 10 metres = 2700 metre.

Ans- The length of the tunnel is 2700 metres.

Step-by-step explanation:

9/2 mins = 4 mins 30sec = 270 sec

36Kmph = 36× 5/18 mps = 10 metres per sec.

Train moves 10 metres per second.