Projectile Motion Ratios

Two projectiles of the same mass are fired from the ground and they land at the same horizontal level. The ratio of their minimum kinetic energies is 4 : 1 4:1 and the ratio of the maximum heights attained by them is also 4 : 1 4:1 . Find the ratio of their horizontal ranges.

16 : 1 16:1 2 : 1 2:1 4 : 1 4:1 8 : 1 8:1

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