Question

The heart beat of a man beat 75 a mintue what is the frequency and time period

Answer 1

Heya user
Here is your answer !!

Heart beat per minute = 75 times
So, time period = 75 / 60 secs = 5/4 secs = 1.25 secs

Frequency = 1/Time period = 1/(5/4) Hz = 4/5 Hz
= 0.8 Hz .

Hope it helps !!

Answer 2

v=1/T
75=n/60
n=75×60
n=4500