A body is thrown with the velocity u=12.0ms^(-1) at an angle of alpha=45^(@) to the horizon. It touches to the ground at the distances from the point where it was thrown. From what height h should stone be thrown in a horizontal direction with the same initial velocity u so that it all at the same spot?

A body is thrown with the velocity u=12.0ms^(-1) at an angle of alpha=

1.	A body is thrown with the velocity u=12.0ms^(-1) at an angle of alpha=45^(@) to the horizon. It touches to the ground at the distances from the point where it was thrown. From what height h should stone be thrown in a horizontal direction with the same initial velocity u so that it all at the same spot?
Answer» ANSWER :7.3 m