A2-in.-diameter copper rod is reduced to a 1.5-in. diameter, then reduced again to a final diameter of 1 in. in a second case, the 2-in.-diameter rod is reduced in one step from 2-in. to a 1-in. diameter. calculate the %cw for both cases.

The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j. suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon

In what direction does an applied force move an object

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2