A steel ball of diameter d=3.0mm starts sinking with zero initial velocity in olive oil whose viscosity is eta = 0.90P. How soon after the beginning of motion will the velocity of the ball differ from the steady state velocity by eta=1.0% ?

A steel ball of diameter d=3.0mm starts sinking with zero initial velo

1.	A steel ball of diameter d=3.0mm starts sinking with zero initial velocity in olive oil whose viscosity is eta = 0.90P. How soon after the beginning of motion will the velocity of the ball differ from the steady state velocity by eta=1.0% ?
Answer» `0.3` SEC `0.2` sec `0.4` sec `0.6` sec Answer :B