30. If an object is moving, it will have: a. Acceleration
b. Scalar
c. Vector
d. Momentum

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

The force will determine the acceleration.

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.