Two long parallel vertical wires 0.3m apart are. ' placed east-west of one another. The current in the westerly wire is 30A and on the other 20A. The horizontal component of the earths magnetic flux density is 2*10^-5. Find the force per unit length on each wire. (The ...
March 15, 2015
we have to discount the value of the future money (to compare apples to apples) and compare what is the value of 30000 in today's money : PV = present value PV(30000) = 30000 / (1+0,12)^50 PV(30000) = $103.8 As PV(30000) > $95 you'd better wait 50 years. Your age ...
September 25, 2009