The Earth belongs to the group of rocky planets that orbits between the sun and the asteroid belt. Place these planets in order, starting closest to the sun. A) Mercury-Earth-Venus-Mars B) Mercury-Venus-Earth-Mars C) Mercury-Venus-Earth-Saturn D) Venus-Mars-Earth-Jupiter

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?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?