Biomechanics is the term. Its studies the structure and function of biological systems.
The answer is sexual activity.
I hope this helps!
Even im not giving the result, i can tell you how to do it: Since time period is given as 6, we can calculate it's:
<span><span>R(t)=0.89sin(<span>π3</span>∗1.5)
Please do the calculations and you will get your answer. Hope it helps</span></span>
The max being 170 bpm. Target being 85 beats per minute.
