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[" 15.When a particle is thrown horizont...

[" 15.When a particle is thrown horizontally the resultant velocity of the projectile at any time "t" is given by "],[[" (1) gt "," (2) "(1)/(2)gt^(2)," (3) "sqrt(u^(2)+g^(2)t^(2))," (4) "sqrt(u^(2)-g^(2)t^(2))]]

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