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ICSE Class 6 Answered

A train is running at a speed of 90km/hr.if it crosses a signal in 10 se. Find the length of the train in meters, 

Asked by Tabasumhabib48 | 04 Aug, 2019, 12:32: PM
Expert Answer
 
 
Speed of a train = 90 km/hr = (90 × 1000)m ÷ (60 × 60) seconds
                                          = 90, 000 ÷ 3600
                                          = 25m/s

→ Length of the train = Speed × Time = 25 ×10 = 250 m
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