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
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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