Everything CCEA students need to know about speed-time graphs for GCSE Physics. ... From 0 to 20 seconds it moves at a constant velocity of 12 m/s. Question.

Velocity-time graphs are similar to speed-time graphs. The following velocity-time graph represents the motion of a bus which travels along a straight road, then returns in the opposite direction.

Unit 2 Segment B: Speed and Velocity. 8/2/2018 | 8m 23s Video has Closed Captions | CC. At the Porsche test track, we learn the difference between speed and velocity. 08/02/2018 ...