SOLUTION: The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period.
Algebra ->
Trigonometry-basics
-> SOLUTION: The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period.
Log On
Question 1041982: The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The voltage E in an electrical circuit is given by E = 7.6 cos 140πt, where t is time measured in seconds. Find the period.
-----
P = (2pi)/b
-----
Period = (2pi)/(140pi) = 1/70 of a second
--------------
Cheers,
Stan H.
-----------