A pipe closed at one end is 0.125 m long. The fundamental frequency of the pipe is 666 Hz. What is the speed of sound in the air inside the pipe?

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Aphysical change is a change in the size, shape,, or stafe of matter true or false

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)