Calculate the uncertainty in velocity of a cricket ball (mass=0.15Kg) if its uncertainty position is of the order of $1A^{\large\circ}$

Question

$\begin{array}{1 1}(a)\;3.51\times 10^{-24}m/s&(b)\;2.6\times 10^{-24}m/s\\(c)\;3.51\times 10^{-20}m/s&(d)\;1.6\times 10^{-24}m/s\end{array}$

Comments

Answer is (a)