Math, asked by LizaPatel909, 4 months ago

The diameter of a metallic ball is 8.4 cm. What is the mass of the ball
if the density of the metal is 12 g per cm?​

Answers

Answered by vishalraj8572
1

Answer:

345.077 gm

Step-by-step explanation:

Given,

diameter of the metallic ball =4.2 m

We know,

radius =

2

diameter

∴ r=

2

4.2

cm=2.1 cm

Density =

volume

Mass

∴  Mass = Density×volume

⇒ 8.99 cm

2

×volume

volume of a metallic ball =

3

4

×π×r

3

=

3

4

×2.1×2.1×2.1 cm

3

∴ Mass=8.99×

3

4

×π2.1×2.1×2.1 cm

3

=345.077 gm

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