Math, asked by singhnutan437, 3 months ago

The diameter of a metallic ball is 4.2 cm. what is the mass of the ball if density of the metal is 8.9g per cm3

Answers

Answered by tanusha29

3

Step-by-step explanation:

Diameter of the ball = 4.2 cm

Radius = 4.2/2 = 2.1 cm

Volume of the ball=4/3πr^3

=4/3 x 22/7 x 2.1 x 2.1 x 2.1

= 38.808 cm^3

Volume = Mass / Density

Mass = Volume x Density

Mass = 38.808 x 8.9 = 345.3912 g

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