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OpenStudy (anonymous):
can anyone solve this puzzle " 2 identical trains, at the equator starts to travel around the earth in opposite directions . They start together run at same speed and are on different tracks. Which train will wear out its wheel threads first?
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OpenStudy (anonymous):
The one going west
OpenStudy (anonymous):
the train going west-ward .
OpenStudy (anonymous):
the one going west-ward . this is because,earth is rotating in west-to-east direction and the point of contact on the wheels rotate in east-to-west direction.hence greater wear and tear :)
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