A fixed mortar fires a bomb at an angle of 53∘ above the horizontal with a muzzle velocity of 80 ms−1 . A tank is advancing directly towards the mortar on level ground at a constant speed of 5 m/s. The initial separation (at the instant mortar is fired) between the mortar and tank, so that the tank would be hit is [Take g=10 ms−2 ]
a. 662.4 m
b. 526.3 m
c. 486.6 m
d. None of these