1. Energy, light, and sound all travel in. 2.What is a wavelength?
3.What is a frequency?
4.What is amplitude?
5.All waves have a similar.
6.Earthquake waves are called waves.
7.Sonar uses waves
8. Energy moves in .

Please help you don’t have to answer all of them! :)

This is the substance(s) formed in a chemical reaction.

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.