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At high altitude, a body explodes at rest into two equal fragments with one fragment receiving horizontal velocity of . Time taken by the two radius vectors connecting point of explosion to fragments to make  in s is



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At high altitude, a body explodes at rest into two equal fragments with one fragment receiving horizontal velocity of . Time taken by the two radius vectors connecting point of explosion to fragments to make  in s is

1 Answer
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Answer Key / Explanation : (2) -

As the body at rest explodes into two equal parts, they acquire equal velocities in opposite directions according to conservation of momentum

When the angle between the radius vectors connecting the point of explosion to the fragments is , each radius vector makes an angle  with the vertical.

To satisfy this condition, the distance of free fall  should be equal to the horizontal range in same interval of time

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