Neglecting the air resistance , the time of flight of a projectile is

1.	Neglecting the air resistance , the time of flight of a projectile is determined by :
Answer» `u_("VERTICAL")` `u_("HORIZONTAL")` `U = u_("vertical")^(2)+u_("horizontal")^(2)` `u = u (u_("vertical")^(2)+u_("horizontal")^(2))^(1//2)` ANSWER :A

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