Calculate the maximum acceleration of a milk carton

[javii]

Homework Statement

Homework Equations

∑M_b = m*a*d

The Attempt at a Solution

Using the formula below i get:
m*g*cos(0)*(0.07/2)-m*g*sin(0)*(195/2)=m*a*h

And I get 3.52 m/s^2

Is it correct?

 

[haruspex]

And I get 3.52 m/s^2

So do I.

 

[javii]

So do I.

Thank you for your response.