SOLUTION: A train running at a speed of 72 km/hr takes 25 seconds to cross an electric pole. What is the length of the train?

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Question 1143342: A train running at a speed of 72 km/hr takes 25 seconds to cross an electric pole.
What is the length of the train?
Found 2 solutions by math_helper, ikleyn:
Answer by math_helper(2461)   (Show Source):
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I'd first convert km/hr to m/s (meters/sec):
72km/hr = 72km/hr * (1hr/3600sec) * (1000m/km) = 20 m/s
20m/s * 25s = (about 1640.4 ft long)

Answer by ikleyn(52776)   (Show Source):
You can put this solution on YOUR website!
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