Question

define speed and express the relationship between distance and time as an equation

Answer 1

$\textbf{ Hello Mate! }$

■ Speed =>

● Speed is distance travelled per unit time.

● Speed can't be negative.

● Speed is a scalar quantity.

■ By equation :

Speed = Distance Travelled / Time Taken.

Have great future ahead!

$\textbf{ जय हिन्द! }$

Answer 2

Hey there !

Speed is a quantity used for measuring the efficiency of distance covered in a particular time period. It is denoted Rate of change of distance.

Speed = Distance / Time

General Characteristics:

1. Speed has only magnitude and no direction. Hence it is a scalar quantity.

2. Speed can be zero or positive but never negative.

3. SI unit of Speed is meter per second ( m/s )

Hope my answer helped !