44. The graph in the figure shows the velocity of a particle as it travels along the x- axis. (a) In what direction (+x or -x) is the acceleration at t = 0.5 s? (b) In what direction (+x or -x) is the acceleration at t = 3.0 s? (c) What is the average acceleration of the particle between t = 2.0 s and t = 4.0 s? (d) At what value of t is the instantaneous acceleration equal to 0 m/s2?

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –