Let vector A=2i+3j-k which is anti parallel with vector B which has magnitude 6 .find vector B

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

Diamond will scratch quartz. true or false

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly