1.

Two projectiles A and B are thrown with velcoity v and v/2 respectively. They have the same range. If B is thrown at an angle of 15^(@) to the horizontal. A must have been thrown at an angle.

Answer»

`SIN^(-1) (1/16)`
`sin^(-1) (1/4)`
`2SIN^(-1) (1/4)`
`1/2 sin^(-1) (1/8)`

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