Answer:
unloosen the tight attire parts,open all windows for better air circulation,if he/she does not react place your hands on the chest and press gently three times per interval while giving them air through the mouth CPR then when they react place them to lie horizontal face sideways
B. Amplitude
It is the maximum distance from the equilibrium point of the pendulum.
So the answer is B. because the mass have Kg as a international unit and velocity is m/s, they are international units in physics.
