Motion in A Plane

Question: A ball is projected with kinetic energy $E$ at an angle of ${45^o}$ to the horizontal. At the highest point during its flight, its kinetic energy will be



1) Zero
2) $\frac{E}{2}$
3) $\frac{E}{{\sqrt 2 }}$
4) $E$
Solution: Explanation: Explanation
oblique-projectile-motion

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