A train was going down the track and a curve was approaching. The conductor went to apply the brake but it did not work. What force(s) can account for the train eventually slowing down even though there were no brakes?

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

How can one make a supersaturated solution? (apex)