Question

a quantity is measured to be -20m/s .is it speed or velocity ? give reason.​

Answer 1

Answer:

velocity

Explanation:

as the given value indicates negative....it mean that It is going in the opposite direction as the word direction has raised it is obnoxiously not speed

Answer 2

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Velocity

Explanation:

Velocity is a vector quantity

hence it can be positive, negative or zero.

Speed is a scaler quantity

hence, it can only be positive.

Question - a quantity is measured to be -20m/s

This quantity is in negative hence it is velocity