Determine how the deposition time of particles with a radius r and a density of 2.7 g / cm3 will change if they are deposited from a height of 1 cm at a speed V:
r, m 10-5 10-6 10-7 10-8 10-9
V, m / s 3.2 • 10-4 3.2 • 10-6 3.2 • 10-8 3.2 • 10-10 3.2 • 10-12