A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is_______________?

Related Mcqs:

A single force and a couple acting in the same plane upon a rigid body_____________________?

A. balance each other B. cannot balance each other C. produce moment of a couple D. are equivalent E. none of the above...

A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to________________?

A. W B. W sin (a + $) C. Wtan(a + <|)) D. Wan(a-) E. Wtana...

A number of forces acting at a point will be in equilibrium if_____________________?

A. their total sum is zero B. two resolved parts in two directions at right angles are equal C. sum of resolved parts in any two per-pendicular directions are both zero D. all of them are inclined equally E. none of the above...

Center of gravity of a thin hollow cone lies on the axis at a height of ___________________?

A. one-fourth of the total height above base B. one-third of the total height above base C. one-half of the total height above base D. three-eighth of the total height above the base E. none of the above...

The center of gravity of a triangle lies at the point of __________________?

A. concurrence of the medians B. intersection of its altitudes C. intersection of bisector of angles D. intersection of diagonals E. all of the above...