HELP DUE SOON. A student's research indicates that Pluto's radius is 1.172 X 10^6 m and it's mass is 1.2 X 10^22 kg. A.) calculate the gravitational field strength at Pluto's surface. B.) calculate the force of gravity at Pluto's surface on an object with a mass of 100kg.

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

Most of the volume of an atom is occupied by the

Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to