13. If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________? September 7, 2025 by Admin A. 0 and 5 m/sec B. 5 m/sec and 0 C. 5 V3 m/sec and 0 D. 5 and 5V3 m/sec ✅ The correct answer is option B.