Question 13
Two balls of the same mass are produced in a workshop. One is made of aluminum and the other of iron. Aluminum has a density of $2.70\text{ g/cm}^3$ and iron has a density of $7.86\text{ g/cm}^3$.
a) Which ball is larger? Give a reason.
b) If the balls are left in open air for several months, will their masses (a) remain unchanged, (b) increase, or (c) decrease? Choose one possibility and explain.
a) Which ball is larger? Give a reason.
b) If the balls are left in open air for several months, will their masses (a) remain unchanged, (b) increase, or (c) decrease? Choose one possibility and explain.