Q1. A 55 year old woman who is complaining of intermittent flushing, itching and heartburn for several months. Mega dosing of that of the following vitamins may result in these symptoms?
Q2. A loudspeaker of mass 23 is suspended a distance of = 1.80 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.5. What is the tension in each of the cables?