A solid sphere has a radius of 2cm and a mass of 50g. What is the relative density of the sphere

Answers (1)
S safeer

 volume =\frac{4}{3} \pi r^3=33.51cm^3
 density= \frac{mass}{volume} = \frac{50}{33.51}=1.49 g/cm^3
density \ of\ water = 1 g/cm^3

 Relative\ density= \frac{density\ of\ material}{density\ of\ water} = \frac{1.49}{1}=1.49

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