Mrs. Yawn is making a flute using a metal tube that is 0.7 m long. 0.7 m
adjustable mouthpiece
Flute after hole has been cut (not pictured to scale)
Mrs. Yawn estimated the speed of sound to be 340 m/s in the room where she is making the flute. If the
wavelength of the sound wave is 1.4 m, calculate the frequency of the flute. Show all of your work and
write your answer in the box provided.

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.