Two strings with the same mass density are stretched between the same posts. If the fundamental frequency of the first string is twice that of the second, what is the ratio of tension of the first string to the tension of the second, T1/T2

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.