Question

Can ever speed be negative if so give an example if not explain why​

Answer 1

Answer:

yes

Explanation:

the negative speed is defined as retardation speed ;

Answer 2

The speed of the particle can never be negative.  

This can be seen from the definition of the speed given as :-

$speed = \frac{distance travelled}{time taken}$

The dependency of speed on the distance travelled by the particle and the time it takes to travel the distance assures that the speed is non-negative because neither the value of distance can be negative nor can be the value of time it takes to travel that distance.

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