Question
A high-speed train moves at 45 m/s and crosses a stationary
pole in 16 seconds. Calculate the approximate time required for the train to cross a 1200-metre-long tunnel.Solution
ATQ,
Length of the train = 16 × 45 = 720 metres
Time taken to cross the tunnel = (720 + 1200)/45 = 1920/45 = 42.67 seconds or 43 secs
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