three objects p q and r n from light strings noted that the police are frictionless and the system is in equilibrium Force diagram of all the forces acting in the 0 also the angles between the forces​

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80