Question

A 150m long train is moving with uniform velocity of 45 km/h. Find the Time taken to cross a bridge of length 850 m

Answer 1

Answer:

TIME=80 SECONDS    OR 1MINUTE 20 SECONDS

Explanation:

HI HERE IS YOUR ANSWER

FIRST CONVERT TO M/ S

45 KM / H = 45 * 5 /18 M /S

=12.5 M /S

TOTAL LENGTH DISCOVERD BY TRAIN=850m+150m=1000m

VELOCITY = DISPLACEMENT / TIME

THEREFORE

TIME = DISPLACEMENT / VELOCITY

         = 1000 / 12.5

         =  10000 /125 (TO REMOVE DECIMAL POINT MULTIPLY IT BY 10)

TIME=80 SECONDS    OR 1MINUTE 20 SECONDS

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