if the diameter of a metallic ball is 4.2 cm what is the mass of the ball if the density of the metal is 8.9 gram per metre cube per centimetre cube. plz don't use calculator and do
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Volume of the ball
=(1/6)πd³=(1/6)×(22/7)×(4.2)³
=>V=2.2×4.2²=2.2×17.64
=38.808cm³ as the density of metal is 8.9 gm/cm³
=>m=38.808×8.9 gm
=345.39 gm.Ans..
Answered by
1
Answer
radii = 2.1 cm
answer === 590
I think so
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