Displacement and velocity

Distance travelled is equal to the product of speed and time.

The gradient of an s(t) graph (where s = distance travelled by an object, t = time taken) is the speed of the object. The gradient of a v(t) graph is the acceleration of the object, and the area under the v(t) curve is the distance travelled.

Displacement can be calculated using average velocity for constantly accelerating objects using the formula s = (u + v) t / 2 (where u = initial velocity, v = final velocity).

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