Asked by Anonymous

The back end of a 160-metre-long train disappears into a 700-metre-long tunnel. Twenty seconds later
the front of the train emerges from the tunnel. Determine the speed of the train in m/s.

Answers

Answered by mathhelper
So the front of the 160 m long train took 20 seconds to go (700-160) m.

since speed = distance/time .........
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