While in empty space, an astronaut throws a ball at a velocity of 11 m/s. what will the velocity of the ball be after it has traveled 5 meters?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.