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A boy throws a ball up ward with a speed...

A boy throws a ball up ward with a speed of 12m/s The wind imparts a horizontal acceleration of `0.4 m//s^(2)`. At what angle `theta` to the vertical, the ball must be thrown so that it returns to the point of release.

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The correct Answer is:
`[tan^(-1)((1)/(25))]`
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