On an average a human heart is found to beat 75 times in a minute. Calculate its beat frequency and period.

Explanation

The beat frequency of heart `= 75//(1 min)`
`= 75//(60 s)`
`=1.25 s^(-1)`
`=1.25 Hz`
The time period T `= 1//(1.25 s^(-1))`
`= 0.8 s`.