일반물리학 1 — Fluids: Problem 18

18 A boat floating in fresh water displaces water weighing 50.1 kN. (a) What is the weight of the water this boat displaces when floating in salt water of density $1.10 \times 10^3 \text{ kg/m}^3$? (b) What is the difference between the volume of fresh water displaced and the volume of salt water displaced?