Applied maths problems

[jackiemoon]

Hi,

Can anybody help with solving the attached problems please? Any advice would be appreciated.

Thanks

1. The problem statement, all variables and given/known data



2. Relevant equations



3. The attempt at a solution
1. The problem statement, all variables and given/known data



2. Relevant equations



3. The attempt at a solution

[Carid]

jackiemoon,

My advice, since that is what you ask for, is that you make some attempt yourself at solving these problems. Nobody is supposed to help you until you show some initiative!