Saturn’s moon Mimas has an orbital period of 82,800 s at a distance of 1.87 × 108 m from Saturn. Using mcentral = StartFraction 4 times pi Superscript 2 Baseline times d Superscript 3 Baseline over G times T Superscript 2 Baseline EndFraction., determine Saturn’s mass. × 1026 kg

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

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.