Question

the same changing zero color celerating? blue yes no green yes no red yes no

Explanation:

Step1: Analyze the blue vector (horizontal component)

In projectile motion, the horizontal acceleration is zero (assuming no air resistance). So the horizontal component (blue) has the same magnitude throughout the motion.

Step2: Analyze the green vector (vertical component)

The vertical component of velocity is affected by gravity. As the object moves up, the vertical velocity decreases (negative acceleration), at the top it is zero, and as it moves down, the vertical velocity increases in the negative direction. So the green vector is changing.

Step3: Analyze the red vector (resultant velocity)

Since the vertical component is changing (and the horizontal is constant), the resultant (red) is changing. Also, because there is a non - zero acceleration (gravity acting on the vertical direction), the motion is accelerated.

Answer:

BLUE: the same, NO; GREEN: changing, YES; RED: changing, YES