Questions of NCERT Exemplar book for CBSE class 11 Physics is available for download in PDF format. With this article, students can download chapter 3, Motion in a Straight Line of the book. Some of ...
An average speed for a journey can be found from a distance-time graph by working out the gradient of the line between the two points of interest. This is like using a car's milometer and clock to ...
When a relationship between two variables is defined by a curve it means that the gradient, or rate of change is always varying. An average speed for a journey can be found from a distance-time graph ...
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