Estimate the Reynolds number for a human swimming in water. Approximate the human as a sphere of radius 0.50.5m, swimming at a s
peed of about 11m/s. The density of water is approximately 1000\text{kg/m}^31000kg/m 3 and its viscosity is 0.001\text{N/m}^2\cdot\text{s}0.001N/m 2 ⋅s.