I need information on sound energy.

What are variables and why are they important?

Question 24 Describe how each of Newton's three laws of motion would apply to bumper cars (an amusement park ride).

Name 1 element in the periodic table that sounds like a name

Refraction can occur only when light is___ A. emitted B. Reflected C. Absorbed D. Transmitted

A skier descends a mountain at an angle of 35.0º to the horizontal. If the mountain is 235 m long, what are the horizontal and vertical components of the skier's displacement?

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b

Which object is an insulator?

Whats the difference between population density and population size?

A standing wave is established in an organ pipe that is closed at one end. What is located at the open and closed ends of the pipe?

When all parts of a circuit are composed of conducting materials, the circuit is said to be A. parallel. B. closed. C. open. D. shorted.