Which substance(s) above is most likely to have a pH below 7? A. Neither A nor B

B. Substance A

C. Both A and B

D. Substance B

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.

Select the three ways that the parallel-plate capacitor differs from a car battery.

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.