One cubic meter (1.0 m3) of aluminum has a mass of 2700 kg, and a cubic meter of iron has a mass of 7860 kg.
Find the radius of a solid aluminum sphere that has the same mass as a solid iron sphere of radius 2.57 cm.
Answer in units of cm

Question

anonymous · Answer

here we want to make a aluminum sphere that has the mass equal to the iron sphere
here density of aluminum is is 2700kg\cubic metre
so the volume of the aluminium sphere which has the mass equal to the iron will be the
7860\2700  cubic meter

anonymous · Answer

$$\sqrt[3]{7860\div2700}\times2.57cm=3.66 cm$$

anonymous · Answer

thank you :) <3