Granite ball

The granite ball has a diameter of 80 cm. The mass of 1 m³ of granite is 2900 kg. What is the mass of the ball?

Final Answer:

m =  777.4395 kg

Step-by-step explanation:

D=80 cm m=80:100  m=0.8 m ρ=2900 kgm3  r=D/2=0.8/2=52=0.4 m  V=34 π r3=34 3.1416 0.430.2681 m3  m=ρ V=2900 0.2681=777.4395 kg



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solid geometryUnits of physical quantitiesGrade of the word problem

 
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