A particle has been projected with a speed of 20 m/s at an angle of 30 with the horizontal. The time taken when the velocity vector becomes perpendicular to the initial velocity vector is

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A particle has been projected with a speed of 20 m/s at an angle of 30 with the horizontal. The time taken when the velocity vector becomes perpendicular to the initial velocity vector is
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Sep
A particle has been projected with a speed of 20 m/s at an angle of 30 with the horizontal. The time taken when the velocity vector becomes perpendicular to the initial velocity vector is A particle has been projected with a speed of 20 m/s at an angle of 30 with the horizontal. The time [...]
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