The speed of sound in air at 0 degree Celcius is 331 m/s. It increases by 0.6 m/s every 1 degree rise in temperature. While hiking through a canyon, Scary Carrie lets out a scream. An echo (reflection of the scream off a nearby canyon wall at a distance of 220 m) is heard 1.26 seconds after the scream. Calculate the temperature of air. Show all work.

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

moisture is lackin, and organic acids are scarce.