Diameter 48211

What is the diameter of the ball (for men) if it weighs 7,250 g and ρ = 7.8g / cm3

Correct answer:

d =  12.1083 cm

Step-by-step explanation:

m=7250 g ρ=7.8 g/cm3  m = ρ V V=m/ρ=7250/7.8=3936250929.4872 cm3  V = 34π   r3  r=33 V/(4π)=33 929.4872/(4 3.1416)6.0541 cm  d=2 r=2 6.0541=12.1083 cm

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