# a cricket ball has mass 150g and circumference of 22cm.what is its density?

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- oubaasLv 78 months ago
Volume V = PI/6*(22/PI)^3 = 22^3/(6*3.1416^2) = 179.81 cm^3

density ρ = m/V = 150/179.81 = 0.8342 g/cm^3

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- ComoLv 78 months ago
C = π d

d = 22 / π = 22 / 22/7 = 7 cm

r = 3•5 cm

V = 4/3 π r³

V = 4/3 x π x 3•5 x 3•5 x 3•5 = 179•6 cm³

Density = 150 / 179•6 = 0•835 g/cm³

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