PLEASE HELP ME A 3.0 cm tall object is 15 cm away from a concave mirror with a focal point of 5.0 cm. If the image is 7.5 cm from the mirror, what is the image height? -1.5 cm
O -0.5 cm
-3.0 cm
-6.0 cm
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The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight

[05.02] what is the best explanation of the kinetic molecular theory as it relates to the energy of the molecules in the states of matter? (1 point) the molecules in a gas have greater kinetic energy than those in a liquid, which in turn have greater kinetic energy than the molecules in a solid. kinetic energy cannot be created nor destroyed, and, as a result, all states of matter have the same kinetic energy. the molecules in a gas have greater kinetic energy; therefore, they are more tightly packed than the molecules in either a liquid or a solid. the molecules in gases and liquids, in constant motion, have greater kinetic energy than those in a solid, which do not move or vibrate because their position is fixed.