physics

A student drives a moped along a straight road as described by the velocity versus time graph in the figure. The divisions along the horizontal axis represent 1.5 s and the divisions along the vertical axis represent 4.5 m/s. Sketch this graph in the middle of a sheet of graph paper. (Do this on paper. Your instructor may ask you to turn in your work.)

(c) What is the acceleration at t = 9.0 s?

(d) Find the position (relative to the starting point) at t = 9.0 s.

(e) What is the moped's final position at t = 13.5 s?

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