You turn on a light in a room to read a book. Not all the energy from the lightbulb becomes light energy. What happens to the rest of the energy from the lightbulb? A. It is transformed into magnetic energy.
B. It is transformed into chemical energy.
D. It is transformed into electrical energy.
C. It is transformed into thermal energy.

Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.

Bob camina 200 m sur, luego trota 400 m suroeste, luego camina 200 m en una dirección 30? norte del este. a. dibuje una gráfica de los movimientos de bob. use una regla y transportador. b. use método gráfico y analíitico para hallar el desplazamiento total que bob recorrió. (magnitud y dirección) c. compare los resultados obtenidos por el método gráfico y analítico. (por ciento de diferencia).

What will a positive and a negative charge do if they are separated from each other?