Question

what is it meant by -2m/s^2

Answer 1

Answer:

Acceleration is -2

Explanation:

Whenever you want to know what a quantity is, look at its units.

Here, units are $m/s^2$

$m/s^2$ depicts acceleration.

-2 $m/s^2$ means that the acceleration is -2, or it is 2 in the opposite direction of which you are taking as positive.

Hope it helps!