The motion of a projectile is described in a coordinate system (up and North are positive). At a particular instant, the magnitude of the horizontal
component of the velocity is 5 m/s and the magnitude of the vertical
component of the velocity is - 8 m/s. Which is most correct about the
object?
The projectile is at its maximum height
O the projectile is ascending (going up)
the projectile is descending (going down)
the projectile has hit the ground
the projectile has just been launched above the horizontally