The net force on the bookcase in the direction of its motion is
∑ F = 65 N - F[friction] = (41 kg) (0.12 m/s²)
so that friction has a magnitude of
F[friction] = 65 N - (41 kg) (0.12 m/s²) = 60.08 N
The net force on the bookcase perpendicular to the surface is
∑ F = F[normal] - (41 kg) g = 0
so that
F[normal] = (41 kg) g = 401.8 N
If µ is the coefficient of kinetic friction, then
F[friction] = µ F[normal]
so that
µ = F[friction] / F[normal] = (60.08 N) / (401.8 N) ≈ 0.15
You should work just as hard in a group than by yourself because maybe other people would also be social loafing and then nobody would be giving their best so the final product would be less quality than if they all worked harder even though they are a group.The disadvantage of social loafing would be the quality of the final product would suffer.
Yes I got something like that too when I tried to sign up for it.
Check the information you wrote for the demographic page.
Make sure everything is filled in including the social security numbers address/s etc.
Maybe you accidentally put your FAFSA ID in a parent field?
If that doesn't solve it reach back to me and I'll try to help you.
We need a bit more context (like what liquids)