Question

A missile is fired for maximum range with an initial velocity of $20\, m/s$. If $g = 10 \,m/s^2$, the range of the missile is

• A. 40 m
• B. 50 m
• C. 60 m
• D. 20 m

Answer 1

Answer: (A)

40 m

Answer 2

Maximum Range
$R _{\max }=\frac{ u ^{2}}{ g }=\frac{(20)^{2}}{10}=40 \,m$