Solve the following calculation and round to the correct number of significant figures:
45001 - 56.355 - 78.44 =
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Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an interstate highway? the force between the two cars will be what