Answer to Question #316906 in Physics for bookaddict

Question

The volume of water (ρ = 1000 kgm^-3) that would need to be displaced to keep a person of mass 60 kg afloat on a lake on the moon Europa is:

A 0.06 m³

B 0.589 m³

C 5.89 m³

D There is not enough information in the question.

Answer 1

$$mg=g\rho V_d$$

The displaced volume

$$V_d=m/\rho\\ =60/1000=0.06\:\rm m^3$$

Answer: A