A truck at P, moves on a straight road, its velocity is given by v = 0.75t² - 6t + 20. When t = 6,the truck passes a breakdown car at Q. The truck then moves with a constant acceleration of 3 m/s² until the original speed is regained at point R.
(a) Find the time at R and hence distance PR.

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Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

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