4. Projectle motion is the motion of a body following

A. a path that is curved C. a static velocity
B.a path that is lateral D. a project along tiles

5. The speed of an object at the topmost of its vertical path is
A. Zero. C. both of the above B. limitless D. none of the above

6. When an object is thrown from roof, the vertical component of the velocity___ through time
A .remains constant C. disappears. B. increases. D. decreases​