Which of the following is an incorrect statement describing energy. total energy within a closed system stays constant. the total energy in the universe is in a state of flux. energy can be stored as mass. energy can be transferred from one form to another in a closed system.

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

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?