Question

7. A 75 m long train is running at 54 km/hr. In how much time
will it cross an electric pole?
a) 10 s
b) 5s
c) 15 s
d) 20 s​

Answer 1

Explanation:

First convert velocity in m/sec

54 × 5/18 = 15 m/ sec

So time taken = 75/15 =5 secs