Two particles start simultaneously from ...

Two particles start simultaneously from the same point and move along two straight lines. One with uniform velocity v and other with a uniform acceleration a. if `alpha ` is the angle between the lines of motion of two particles then the least value of relative velocity will be at time given by

`(v)/(a)sin alpha`

`(v)/(a)cos alpha`

`(v)/(a)tan alpha`

`(v)/(a)cot alpha`

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