Save guides, add subjects and pick up where you left off with your BBC account. The gradient of a velocity-time graph at a particular time gives the acceleration of the object at that time.

Velocity-time graphs show how the velocity (or speed ... that the vehicle is accelerating at an increasing rate – non-uniform acceleration. A line upwards curving to become flat means that ...

Motion In A ... positive direction till time t 1, and then turns back with the same negative acceleration. In a V-T graph, the area under the curve represents the displacement over a given time ...

There are four key variables of motion. Acceleration (a)- the rate of change of an object’s velocity over time. Displacement ... derived using a velocity-time graph for a moving object with ...

A body is said to be moving with uniform motion if it undergoes equal displacement in equal interval of time. Average velocity is defined as the change in position or displacement (Δx ...