A Particle Initially at Rest Undergoes Rectilinear (I

question 82

Multiple Choice

A particle initially at rest undergoes rectilinear (i.e.,straight line) motion with an acceleration that is constant in magnitude and direction.The velocity of the particle

• A)is constant in magnitude and direction.
• B)is constant in direction only.
• C)is constant in magnitude only.
• D)can change in magnitude and direction.
• E)is described by none of these.