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don't you want to finish your other question first?

I finished that one my self

for this problem do i devide the multiply

are you trying to figure out the acceleration in the form of km/s or km/2s?

\[20m/s^2\]

I ma trying to find out the acceleration in seconds

would it be squared?

no

So it's simple. Do u want an physics equation or shall explain it in maths.

I just want a answer

Ok then do like this
80-40 km/h
40/2s

can we simplify that?

yeah why not..

didn't know if swagger wanted for 2seconds or 1 lol

No it's asking the acceleration so acceleration

sorry i did not see the units
\[5/9m/s^2 \] should be the right ans

rvg what are you talking about

It would be..
\[\frac{ 400 }{ 72 }ms^{-2} = 5.5 ms^{-2}\]