The sphere's surface is 12100 cm2, and the weight is 136 kg. What is its density?

Correct answer:

h =  1086.6 kg/m3

Step-by-step explanation:

S=12100 cm2 m2=12100:10000  m2=1.21 m2 m=136 kg  S = 4 π r2  r=4πS=4 3.14161.210.3103 m  V=34 π r3=34 3.1416 0.310330.1252 m3  h=m/V=136/0.1252=1086.6 kg/m3

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