In a circuit, a 10 ω resistor is connected in series to a parallel group containing a 60 ω resistor and a 5 ω resistor. what's the total resistance in this circuit?

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.