Two identical balls are projected from the same point with the same speed u. Ball P is thrown vertically upward, while ball Q is thrown at an angle 60∘ to the horizontal. Neglecting air resistance, which statement about their maximum heights is correct?
a) Both balls reach the same maximum height.
b) Ball Q reaches a greater maximum height than ball P.
c) Ball P reaches a greater maximum height than ball Q.
d) Ball Q does not attain any maximum height because it moves horizontally.