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If a train with a speed of 60 km/hr crosses a pole in 30 seconds, what is the length of the train in metres?
- a)350 m
- b)430 m
- c)500 m
- d)602 m
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
If a train with a speed of60km/hrcrosses a pole in30seconds, what is t...
Given,
Speed of train = 60 km/hr = (60×(5/18))m/s
= 50/3 m/s
Time taken = 30 seconds
As we know,
Distance = speed × time
= (50/3) x 30
= 500 m/s
So, length of the train is 500 m.
Speed of train = 60 km/hr = (60×(5/18))m/s
= 50/3 m/s
Time taken = 30 seconds
As we know,
Distance = speed × time
= (50/3) x 30
= 500 m/s
So, length of the train is 500 m.
Most Upvoted Answer
If a train with a speed of60km/hrcrosses a pole in30seconds, what is t...
Understanding the Problem
To find the length of the train, we need to consider two key pieces of information: the speed of the train and the time it takes to cross a pole.
Given Data
- Speed of the train: 60 km/hr
- Time taken to cross the pole: 30 seconds
Converting Speed to Metres per Second
To make calculations easier, convert the speed from km/hr to m/s:
- Speed in m/s = (60 km/hr * 1000 m/km) / (3600 s/hr) = 16.67 m/s
Calculating the Distance Covered
When the train crosses a pole, it travels a distance equivalent to its own length in that time.
- Distance = Speed × Time
- Distance = 16.67 m/s × 30 s = 500 m
Conclusion
Thus, the length of the train is 500 metres, which matches with option 'C'.
Final Answer
The length of the train is 500 m.
To find the length of the train, we need to consider two key pieces of information: the speed of the train and the time it takes to cross a pole.
Given Data
- Speed of the train: 60 km/hr
- Time taken to cross the pole: 30 seconds
Converting Speed to Metres per Second
To make calculations easier, convert the speed from km/hr to m/s:
- Speed in m/s = (60 km/hr * 1000 m/km) / (3600 s/hr) = 16.67 m/s
Calculating the Distance Covered
When the train crosses a pole, it travels a distance equivalent to its own length in that time.
- Distance = Speed × Time
- Distance = 16.67 m/s × 30 s = 500 m
Conclusion
Thus, the length of the train is 500 metres, which matches with option 'C'.
Final Answer
The length of the train is 500 m.
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If a train with a speed of60km/hrcrosses a pole in30seconds, what is the length of the train in metres?a)350 mb)430 mc)500 md)602 mCorrect answer is option 'C'. Can you explain this answer?
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