Question

In case of a projectile motion, what is the angle between the velocity and acceleration at the highest point?

• A. 0${}^{\circ }$
• B. 45${}^{\circ }$
• C. 90${}^{\circ }$
• D. 180${}^{\circ }$

Answer 1

The correct option is C 90${}^{\circ }$

At the highest point, velocity is acting horizontally and acceleration (= acceleration due to gravity) is acting vertically downwards. Therefore, at the highest point, the angle between velocity and acceleration is ${90}^{\circ }$.