Question

A 100 m long train is moving at a speed of 60 km/h. Then the train will cross a signal pole in

• A. 10 seconds
• B. 4 seconds
• C. 6 seconds
• D. 3 seconds

Hint:

When calculating time taken by a moving object, use the formula \(\text{Time} = \frac{\text{Distance}}{\text{Speed}}\).

Answer 1

The Correct Option is C

The time taken to cross a signal pole is given by: \[ \text{Time} = \frac{\text{Length of the train}}{\text{Speed of the train}} \] First, convert the speed to m/s: \[ \text{Speed} = 60 \times \frac{1000}{3600} = 16.67 \, \text{m/s} \] Now, calculate the time: \[ \text{Time} = \frac{100}{16.67} \approx 6 \, \text{seconds} \] Thus, the correct answer is 6 seconds.