Um fio de metal de resistência R é cortado em três partes iguais que são conectadas lado a lado para formar um novo fio cujo comprimento é igual a um terço do comprimento original. Determine a resistência desse novo fio

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

The radius of an atom is closest in size to a