Question

The maximum range of a gun on horizontal terrain is 16 km. If $g = 10m/s^{2}$. What must be the muzzle velocity of the shell

• A. 200 m/s
• B. 400 m/s
• C. 100 m/s
• D. 50 m/s

Answer 1

Answer: (B)

400 m/s

Answer 2

${R\frac{u^{2}}{g}^{3}}_{\max}$ ⇒ $u = 400m/s$