The figure shows the velocity of a particle as it travels along the x-axis.What is the direction of the acceleration at t = 0.5 s?
A) in the +x direction
B) in the -x direction
C) The acceleration is zero.

Question

The figure shows the velocity of a particle as it travels along the x-axis.What is the direction of the acceleration at t = 0.5 s? 
A) in the +x direction 
B) in the -x direction 
C) The acceleration is zero.

Quizplus · Accepted Answer

At t = 0.5 s, the velocity is decreasing (from positive to negative) which means that the acceleration is in the opposite direction of the velocity, i.e. in the -x direction.

The Figure Shows the Velocity of a Particle as It