Expert Answers /
(Solved): 1. When a 60N stone is attached to a spring scale and is submerged in water, the spring scale re ...
1. When a 60−N stone is attached to a spring scale and is submerged in water, the spring scale reads 40N. What is the density of the stone? 2. A helium balloon lifts a basket and cargo of total weight 2000N under standard conditions, at which the density of air is 1.29kg/m3 and the density of helium is 0.178 kg/m3. What is the minimum volume of the balloon?