Two particles are projected simultaneously from position a and b with velocities as shown in figure

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Text Solution

the angle `theta` is `60^(@)`the distance x is `5sqrt(3)m`the angle `theta` is `30^(@)`The distance x is `15sqrt(3)m`

Solution : Relative velocity of B w.r.t. A along verticaldirection should be zero <br> `20 sin theta=10, rArr sin theta=1//2`, <br> `x=20 cos 30^(@)xx(1)/(2)=5sqrt(3)m`