Question

Define acceleration and state its formula

Answer 1

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$\large{☞}$Acceleration is defined as rate of change of velocity.

Or

Acceleration is defined as the ratio of change in velocity to change in time.

Formula:

$\large{➣}$Acceleration (a) = $\dfrac{v-u}{\triangle t}$

where:

$\large{➟}$v is the final velocity

$\large{➟}$u is the initial velocity

$\large{➟}$$\triangle t$ is change in time.

or

$\large{➣}$Acceleration (a) = $\dfrac{\triangle v}{\triangle t}$

where:

$\large{➟}$$\triangle v$ is change in velocity

$\large{➟}$$\triangle t$ is change in time.

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Answer 2

Definition of Acceleration :

Acceleration is defined as the ratio of change in velocity to change in time

Formula :

a = v - u / t