The figure shows the position of a particle as a function of time. Which of the following statements is incorrect?

Question

Accepted Answer

(c)  The velocity of the particle is always positive

Answer

(b)  Acceleration is not constant

Answer

(d)  The particle is stationary in the time interval between 20 and 25 seconds

Answer

(a)  The displacement of the particle between 20 and 35 seconds is about 5 meters towards the origin

Answer

(c)  The acceleration of the particle is negative between 25 and 30 seconds

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