a body starts falling from height h travels a distance h/2 during the last second of motion.find the time of travel.
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travels a distance h/2 in last second of motion means in last 1 second it covers h/2 .
that means in 2 sec. it will cover one journey.
=>one journey means from starting to max.height...for that
it takes 2 sec.
then to come back on ground it will again take 2 se.
so total time taken=4 sec.
that means in 2 sec. it will cover one journey.
=>one journey means from starting to max.height...for that
it takes 2 sec.
then to come back on ground it will again take 2 se.
so total time taken=4 sec.
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