**Uniform** or constant **acceleration** is a type of motion in which the **velocity** of an object changes by an equal amount in every equal time period.

## Demo

In this tutorial you will learn how to calculate **uniform** **acceleration**.

The equation is written like this:

${ \text v^{2} \; \text – \; \text u^{2} \; \text = \; \text 2as}$

## Chilled practice question

A racing car travelling at 20 **m/s** **decelerates uniformly** at 1.5 **m/s ^{2}** towards a slip road 100

**m**away. Calculate its velocity when it reaches the slip road.

## Frozen practice question

A ball is dropped 12** m** from the top of a building. Calculate the **velocity** of the ball when it hits the ground. Ignore any value for air resistance. Acceleration due to gravity is 9.8**m/s ^{2}**

## Science in context

**Uniform** or constant **acceleration** is a type of motion in which the velocity of an object changes by an equal amount in every equal time period.

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