Me on this question, it would mean a lot! you! only question one, you

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Which situation will produce the greatest change of momentum

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.