Alice kicks a 0.25 kg soccer ball with 0.5 n of force. what force does the ball exert on alice’s foot as she kicks it?

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.