Finding tangent and cosine - Find the expressions (in terms of a and b) for cosine theta and tangent theta. Use the picture attached. See attached file for full problem description.
Analyze planner equilibrium problem - Require a worked example of the attached problem to self correct.
Problem:
The structure shown in Figure Q. 1 (see attached) is a pin-jointed section of a canopy and carries a single load of 4 k ...
Hydrostatic relation - An empirical formula relating pressure and density for seawater w/ temperature held constant is:
p/pa = (k+1)(q/qa)^7 - k
where p= pressure
pa = pressure at the surface
...