the average human heart beat s at 72 time sper minute how many times does it beat in 15 seconds ?how many in an hour !?how many ia a day?
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heart beat rate =72 times/minute
hence =72/60 times /sec
so,in 15 second heart beat= 72/60 x 15
=18 times
again
heart beat in 1 hour=72/60 x 3600
=72 x 60 =4320 times
again
heart beat in 1 day=4320 x 24 times
hence =72/60 times /sec
so,in 15 second heart beat= 72/60 x 15
=18 times
again
heart beat in 1 hour=72/60 x 3600
=72 x 60 =4320 times
again
heart beat in 1 day=4320 x 24 times
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