A ball is thrown straight upward with a speed ,v from a point ,h meyera above the ground. show that the time taken ,t for the ball to strike the ground is t= v/g(1+√1+2gh)/v^2)eyes a ball is thrown straight upward with a speed V from the point H metres above the ground so that the time taken before the ball struck the ground is t = v/g [1+ √(1+2gh)/v^2 ​