x = 4t - 0.5t2
at t = 0
x = 0 m
at t = 8
x = 0 m
Therefore,
average speed = 0 m/s
"23. The position of a runner is given by x 4.0t 0.50t', where x is in...
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The position of a particle moving along an x axis is given by x = 13.0t2 - 3.00t3, where x is in meters and t is in seconds. Determine (a) the position, (b) the velocity, and (c) the acceleration of the particle at t = 6.00 s. (d) What is the maximum positive coordinate reached by the particle and (e) at what time is it reached? (f) What is the maximum positive velocity reached by the particle and (g) at...