A toy airplane is flying in a horizontal circular path. Its bank angle relative to horizontal is estimated to be 30 degrees and the airplane takes 15 seconds to complete one circle. What is the radius...

A toy airplane is flying in a horizontal circular path. Its bank angle relative to horizontal is estimated to be 30 degrees and the airplane takes 15 seconds to complete one circle. What is the radius of the airplane circular path? How many total atoms are in 0.550 g of P2O5?