Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus. identify which particle is in the nucleus. a) ion b) proton c) electron d) free radical

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

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?

At what time would the magnitude of the velocity reach 36.00 km/hr