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5) A student is given a metal sphere about the size of a softball and asked to identify what type of
metal is it made of. It has a radius of 5 cm and a mass of 5.915 kg. Is it Aluminum, Zinc, Iron,
Silver, Lead, or Platinum?

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tmar0787

Answer :

Answer: Radius of a solid aluminium sphere is 3.67 cm.

Step-by-step explanation:

4/3 · 2.57³ π · 7,860 = 4/3 · r³ π · 2,700  / : 4/3 π

2.57³ · 7860 = r³ · 2,700

r³ = 2.57³ · ( 7,860 : 2.700 ) = 2.57³ · 2.911111...    /∛

r ≈ 2.57 · 1.428 = 3.67 cm

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