1) Two air columns, one open at both ends (A) and one closed at one end (B) have the same fundamental frequency. If the length of column A is 0.33 m, determine the length of column B. ____ m

2)A steel wire in a piano has a length of0.5000m and a mass of3.70010^-3kg. To what tension must this wire be stretched so that the fundamental vibration corresponds to middle C (f_C= 261.6 Hz on the chromatic musical scale)?

____N

3) A spring is 29.70 m long. A standing wave on this spring has 4 antinodes.

Draw a picture of this standing wave (yes, actually draw this picture). How many nodes does this standing wave have?

Someone please help with each question