Need Thursday by 8:30pm est Physics Math problems.
I need this 2 questions answers. And how you arrived to the answer.1. The upper limit of human hearing is around 20,000 Hz. Find the corresponding wavelength at the air temperature of 30 oC.2. An echo is heard from a cliff 5.2 s after a rifle is fired. How many feet away is the cliff if the air temperature is 46 oF?