CHAPTER 6 Gradient and the Area under a Graph
6.2 Quantity Represented by the Area under a Graph
1. In the speed-time graph,
(a) Quantity represented by the gradient of the graph is acceleration or the rate of
change of speed.
(b) Quantity represented by the area under the graph is distance.
EXERCISE:
1.
[ANS: (a) 75 m; (b) 7.5 ms-1]
2.
[ANS: (a) 4 s; (b) 40 m; (c) 105 m]
3.
[ANS: (a) 18 s; (b) -1.25 ms-2; (c) 13]
4.
[ANS: (a) 6 ms-1; (b) 48 m]
5.
[ANS: (a) 6 s; (b) 0 ms-2; (c) 15 s]
6.
[ANS: (a) 6 s; (b) - 1 ms-2; (c) 7.5 ms-1]
2