From the top of a tower of height 20 m, two balls are projected, one w

1.	From the top of a tower of height 20 m, two balls are projected, one with speed 20 m/s at an angle of 30° with horizontal in upward direction and second with speed 20 m/s at an angle of 30° with horizontal in downward direction. Distance between the balls, when they land on the ground is
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From the top of a tower of height 20 m, two balls are projected, one with speed 20 m/s at an angle of 30° with horizontal in upward direction and second with speed 20 m/s at an angle of 30° with horizontal in downward direction. Distance between the balls, when they land on the ground is

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From the top of a tower of height 20 m, two balls are projected, one with speed 20 m/s at an angle of 30° with horizontal in upward direction and second with speed 20 m/s at an angle of 30° with horizontal in downward direction. Distance between the balls, when they land on the ground is

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