Question

A car travel along a road and its velocity-time function is illustrated in Diagram 1. The straight line PQ is parallel to the straight line RS.

(a) From the graph find,
(1) the acceleration of the car in the first hour
(2) the average speed of the car in the first two hours.

(b) what is the significance of the position of the graph
(1) above the t-axis
(2)below the t-axis

(c)using 2 different methods, find the total distance travelled by the car.

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