The range of human hearing extends from approximately 20 Hz to 20000 Hz. What are the wavelengths of these extremes when the speed of sound in air is equal to 331 m/s. ___ m to ___ m

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these