A ball whose kinetic energy is $E$, is projected at an angle of $45^\circ$ to the horizontal. The kinetic energy of the ball at the highest point of its flight will be (1) $E$ (2) $E / \sqrt{2}$ (3) $E / 2$ (4) zero
A ball whose kinetic energy is $E$, is projected at an angle of $45^\circ$ to the horizontal. The kinetic energy of the ball at the highest point of its flight will be\\
(1) $E$\\
(2) $E / \sqrt{2}$\\
(3) $E / 2$\\
(4) zero