Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.
well, 1W = 1J/s, so that'd be
1.5*72/60 W
Dfgjjuuytfcbnmbfdetyhbbvfd
To find the power of the human heart, we need to first calculate the work done by the heart per minute and then convert it to power.
Given that the human heart beats 72 times per minute and does 1.5J of work every beat, we can compute the total work done per minute using the following formula:
Total work done per minute = (work per beat) x (number of beats per minute)
Substituting the given values into the formula:
Total work done per minute = 1.5J x 72
Total work done per minute = 108J
To convert the total work done per minute to power, we can use the formula:
Power = (work done) / (time)
Since the time is given as 1 minute, we can calculate the power as:
Power = 108J / 1 minute
To convert the power to a more appropriate unit, we can use the fact that 1 watt (W) is equal to 1 joule per second (J/s). Therefore:
Power = 108J / 60 seconds
Power ≈ 1.8W
So, the power of the human heart, which beats 72 times per minute and does 1.5J of work every beat, is approximately 1.8 watts.