Question

A projectile is thrown at an angle with horizontal. Is
there any instant when velocity and acceleration of
projectile are perpendicular to each other? If it is then
when and where? Is there any point on the trajectory,
where the acceleration and velocity are parallel or
antiparallel? If so, where ? Discuss the situation in detail​

Answer 1

Answer:

Explanation:

For velocity and accelaration - they are perpendicular at the highest point of the trajectory. there is no point where these to are parallel