Question

gerua sitting in line of two tanks watches the flashes of two tanks fire in at each other at the same time but here is the sounds of two shots 2 seconds and 3.5 seconds after seeing the flashes if distance between the two tanks​

Answer 1

Answer:

$\sqrt[ { { { { { { {?}^{2} }^{2} }^{2} }^{2} }^{2} }^{?} }^{?} \times \frac{?}{?} ]{?}$