What is the change in moment caused by a 35 newton force to the right acting on a mass for 5 sec

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

What is the rate of change in a objects position?

What’s #16 asking and how do i solve it?