A Chinese rocket has a mass burn rate of 3.8 kg every single second, and the resulting exhaust gas speed is 2.3 × 103 m/s. Determine the magnitude of the engine’s thrust. The thrust is essentially the force exerted, that in turn provides the needed lift.

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?