A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much medicine (in mm3) is needed to full this capsule?
Volume of a sphere = (4/3)πr3
Given, capsule of medicine is in the shape of a sphere of diameter 3.5 mm.
Radius = 3.5/2 = 1.75 mm
Volume of medicine filled inside = (4/3) × π × 1.753 = 22.458 mm3