Determine the atmospheric pressure at a location where the barometric reading is 745 mmhg. take the specific gravity of mercury to be 13.6.

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in

An object in mechanical equilibrium is an object