The specific heat capacity of oxygen is 918j/kg c. That means that it takes 918 J of energy to raise kg of oxygen by 1 degree Celsius. What number completes the sentence

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Positrons are spontaneously emitted from the nuclei of