A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. If the length of the cylindrical part of the capsule is 14mm and the diatmeter of hemisphere is 6mm, then find the volume of medicine capsule.
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Solution
Given that:
Height of the cylindrical part of the capsule=14mm
Diameter of hemispherical part of the capsule=6mm
To find:
Volume of the medicine capsule=?
Solution:
Radius of hemispherical part of the capsule=62mm=3mm
Volume of the medicine capsule= Volume of cylindrical part of the capsule+2× Volume of hemispherical part of the capsule
=πr2h+2×23πr3
=227×(3)2×14mm3+2×23×227×(3)3mm3 Take (π=227)
=396mm3+113.144mm3
=509.144mm3
Therefore, Volume of the medicine capsule=509.144mm3