4 ms·
sure, but many small spheres are heavier than a large one.
by pantalaimon 12y ago
sure, but many small spheres are heavier than a large one.
- dredmorbius 12y agoMore specifically: weight/lift ratio is a cube to square relationship. Lift increases with the cube of the radius, weight (of the envelope) with the square. So a collection of smaller spheres would have a higher mass.