Two balls are projected from points A an...

Two balls are projected from points A and B in vertical plane as shown in figure. AB is a straight vertical line. The balls can collide in mid air if `v_1//v_2` is equal to

`(sin theta_(1))/(sin theta_(2))`

`(sin theta_(2))/(sin theta_(1))`

`(cos theta_(1))/(cos theta_(2))`

`(cos theta_(2))/(cos theta_(1))`

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RESONANCE-DAILY PRACTICE PROBLEM-DPP No.13

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