Acar traveling at 30 m/s starts to decelerate steadily. it comes to a complete stop in 6 seconds. what is its acceleration? /s^2

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.

The plum pudding model of the atom state that ?

The two required components for a generator are