1.

The range of a projectile for a given initial velocity is maximum when the angle of projection is \[{{45}^{o}}\]. The range will be minimum, if the angle of projection is

A. \[{{90}^{o}}\]
B. \[{{180}^{o}}\]
C. \[{{60}^{o}}\]
D. \[{{75}^{o}}\]
Answer» B. \[{{180}^{o}}\]


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