At 20^(@)C to attain the terminal velocity how fast will an aluminium sphere of radii I mm fall through water. Assume flow to be laminar flow and specific gravity (AI) -2.72

At 20^(@)C to attain the terminal velocity how fast will an aluminium

1.	At 20^(@)C to attain the terminal velocity how fast will an aluminium sphere of radii I mm fall through water. Assume flow to be laminar flow and specific gravity (AI) -2.72
Answer» 5m/s `4.6m//s` 4m/s 2m/s Answer :B