Question

A projectile thrown with initial velocity $(a\widehat{i} + b\widehat{j})$ and its range is twice the maximum height attained by it then –

• A. b = a/2
• B. b = a
• C. b = 2a
• D. b = 4a

Answer 1

Answer: (C)

b = 2a

Answer 2

tan q = $\frac { 4 \mathrm { H } } { \mathrm { R } }$ .