A train 350 metres long crosses an electric pole in 28 seconds .Find the speed of train in km/hr .
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Answer:
Answer: The train speed is 45 km/hr.
Given: Length of the train is 350 m which is considered as distance.
The time required by the train to cross the electric pole = 28 seconds
Solution:
By formula, Speed = \frac{\text { Distance }}{\text { Time }}
Time
Distance
Speed of the train = \frac{350}{28}
28
350
= 12.5 m/sec
To convert m/sec into km/hr multiply by the value \frac{18}{5}=12.5 \times \frac{18}{5}
5
18
=12.5×
5
18
= 45 km/hr
The speed travelled by train is 45 km/h
Step-by-step explanation:
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