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OpenStudy (anonymous):
One more +1 riddle a train 100m long long moving on a straight level track passes a pole in just 5 s. Find: a) The Speed of the train b) the time it will take to cross a bridge of 500 m long.
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OpenStudy (anonymous):
here comes lgba
OpenStudy (lgbasallote):
a) 100m/5s = 20 m/s b) 500/5 = 100 seconds
OpenStudy (lgbasallote):
oops lol b is wrong
OpenStudy (lgbasallote):
b) 500/20 = 25 seconds
OpenStudy (anonymous):
thanks dude to attend my question and your <tips hat>
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