7:10 PM Sun Oct 16 . .. @ 10% O +:0 Screenshot_20221016-133025_Messages Oct 16, 2022 at 4:37 PM The float to the right is tied to a rock. If the float is four meters in diameter how massive is the largest rock it could lift? Take the density of water as PW : 1000 Kg water 4 m m 3 and the density of the float material as Pft = 250 kg m3 The volume of a sphere is V = 4/3 pi r^3 rock w 1 - V +