Which of the following situations is impossible?
A)An object has velocity directed east and acceleration directed west.
B)An object has velocity directed east and acceleration directed east.
C)An object has zero velocity but non-zero acceleration.
D)An object has constant non-zero acceleration and changing velocity.
E)An object has constant non-zero velocity and changing acceleration.

Question

Quizplus · Accepted Answer

An object cannot have a constant non-zero velocity if its acceleration is changing. Acceleration is the rate of change of velocity, so if acceleration changes, velocity must also change.

Which of the Following Situations Is Impossible