How much power is used if a machine does 28 J of work in 7 seconds?
Show Work!!!

Can someone explain to me how to do this problem ?

Which boundary is associated with the building of the himalaya mountains? convergent transform divergent hot spot

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.