The energy difference between the 5d and the 6s sublevels in gold accounts for its color. if this energy difference is about 2.7 ev (electron volt; 1 ev = 1.602 × 10−19 j), calculate the wavelength of light absorbed in the transition of an electron from the 5d subshell to the 6s subshell. round the answer to the correct number of significant figures.

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.