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Question: A projectile thrown with initial velocity (a\(\overset{\hat{}}{i}\) + b\(\overset{\hat{}}{j}\)) and ...

A projectile thrown with initial velocity (ai^\overset{\hat{}}{i} + bj^\overset{\hat{}}{j}) and its range is twice the maximum height attained by it then –

A

b = a2\frac{a}{2}

B

b = a

C

b = 2a

D

b = 4a

Answer

b = 2a

Explanation

Solution

tan q = ba=4HR\frac{b}{a} = \frac{4H}{R}