Question

I really need help again​

Answer 1

`\overline{a} = (v - v_0)/(t) = (\Delta v)/(\Delta t)`

Explanation:

Answer 2

a = Δv/Δt

Explanation:

The definition of acceleration is helpful: the rate of change of velocity.

The average acceleration is the change in velocity over some time period, divided by the length of the time period.