Question

An iron sphere of radius 2 cm has a density of 7 g/cm. What will it weigh?
Weight it

Answer 1

Answer:

answer is below

Explanation:

weight of sphere = volume of sphere/density

weight of sphere = volume of sphere/density= 4/3×pie×r²/7

weight of sphere = volume of sphere/density= 4/3×pie×r²/7= 4/3×22/7×2²×1/7

weight of sphere = volume of sphere/density= 4/3×pie×r²/7= 4/3×22/7×2²×1/7= 352/147

weight of sphere = volume of sphere/density= 4/3×pie×r²/7= 4/3×22/7×2²×1/7= 352/147= 2.39 g

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