Find the amount of water displaced by a solid spherical ball of diameter [1] 28 cm [2] 0.21 m?

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Find the amount of water displaced by a solid spherical ball of diameter [1] 28 cm [2] 0.21 m?

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Find the amount of water displaced by a solid spherical ball of diamet...

A sphere is

a three dimensional figure which is made up of all points in the space which

lie at a constant distance from a fixed point called the centre of the sphere

and a constant distance is called its radius.

VOLUME:

The space occupied by an object solid body

is called the volume of the particular object solid body volume is always

measured in cubic unit.

solution:

(i) Given:

Diameter of the spherical ball (d)= 28 cm

Radius =d/2= 28/2 cm = 14 cm

Amount of water displaced by a solid spherical ball = Volume of spherical ball =

4/3πr3

= (4/3 x 22/7 x 14 x 14 x 14)

= 34496/3 = 11498.67 cm

Amount of water displaced by a solid spherical ball= 11498.67

(ii) Diameter of the

spherical ball (d)= 0.21 m

Radius (r) = d/2= 0.21/2 m = 0.105 m3

Amount of water displaced by a solid spherical ball = Volume of spherical ball=

4/3πr3

=(4/3x22/7x0.105x0.105x0.105)

= 0.004851 m3

Amount of water displaced by a solid spherical ball =0.004851 m3

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