-. A particle travels along the x-axis and its velocity changes with time as v = 16t - 9t ^ 2 . Initially, the particle is at x = 0 Velocity is in m * s ^ - 1 and time (1) is in second. (i) Find x coordinates where the particle is at rest. (ii) Find acceleration at t = 4s . (iii) Find average velocity and average speed during the interval t = 0 to t = 4s ,
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