Which cars are most likely to have catalytic converter stolen

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

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.

How many neutrons does plutonium -196 with an atomic number of 78.