When should the score be called out in badmintion ? O at the end of the game
O at the end of each point
when the score changes
before each serve

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.

With i really need the correct answer!

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called