Acook preparing a meal for a group of people is an example of

kinetic energy because he has the ability to make a meal.

potential energy because he has the ability to make a meal.

kinetic energy because he is making the meal.

potential energy because he is making the meal.

Distinguish between a transverse wave and a longitudinal wave.

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?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.