A horizontal pipe of diameter 0.786 m has a smooth constriction to a section of diameter 0.4716 m . The density of oil flowing in the pipe is 821 kg/m3 . If the pressure in the pipe is 8920 N/m2 and in the constricted section is 6690 N/m2 , what is the rate at which oil is flowing?

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

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.