Question

motion pba - mu
vertical motion of a projectile can be described as
acceleration and velocity
positive negative no changing by -10 m/s every second constant 10 m/s

Explanation:

Projectile vertical motion is affected by gravity. Gravity creates a downward (negative, if upward is positive) acceleration of ~10 m/s², meaning vertical velocity changes by -10 m/s each second. Vertical acceleration is constant (negative), while velocity is not constant.

Answer:

First blank (acceleration): negative
Second blank (velocity): changing by -10 m/s every second