PLZZZ ANSWER THIS QUESTION 4 WITH PROPER EXPLAINATION
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speed of train is 30m/s
it takes 500/30 seconds for the front of train to pass thru bridge (coz speed = distance/time)
and 100/30 for the rest of it to pass
so total time is
500/30 + 100/30 = 600/30 = 20 seconds.
it takes 500/30 seconds for the front of train to pass thru bridge (coz speed = distance/time)
and 100/30 for the rest of it to pass
so total time is
500/30 + 100/30 = 600/30 = 20 seconds.
adithya02:
so we cant see the answer Hehehehehe
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