Question

(a) As a projectile moves in its path, is there any point along the path where the velocity and acceleration vectors are perpendicular to each other? (Assume the object is thrown upward and forward, but not straight up.)

YesNo    

(b) As a projectile moves in its path, is there any point along the path where the velocity and acceleration vectors are parallel to each other? (Assume the object is thrown upward and forward, but not straight up.)

YesNo