This lesson covers speed and the distance-time-speed formula, the difference between scalars and vectors, average versus instantaneous speed, acceleration in metres per second squared, and how to read ...
This lesson covers syllabus section 1.2 — sketching, plotting and interpreting speed–time graphs, calculating acceleration from the gradient, and calculating the distance travelled from the area under ...
A horizontal line means the object is moving at a constant speed. The gradient of the line = the rate of change of speed. The steeper the line, the greater the increase in speed. The area under the ...
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