Question

3. Deffine speed and write its SI unit.​

Answer 1

$\huge\mathfrak\blue {Answer}$

The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour.

Answer 2

$\huge\mathfrak\purple{SolutiOn:}$

Iη єѵєяy∂αy υsє αη∂ ıη kıηємαтıcs, тнє sρєє∂ σƒ αη σвjєcт ıs тнє мαgηıтυ∂є σƒ тнє cнαηgє σƒ ıтs ρσsıтıση; ıт ıs тнυs α scαłαя qυαηтıтy.тнє sł υηıт ıs мєтєя ρєя sєcση∂