In polar coordinates, the impedance of a series circuit. consisting of a resistance of 4 ohms, an inductive reactance of 4 ohms, and a capacitive reactance of 1 ohm is 5 ohms at an angle of 37. degrees.
Recently, a sweet Things to Do When You're Sad list went viral on Tumblr, and it inspired us to compile our own list of tried-and-true pick-me-ups.ecently, a sweet Things to Do When You're Sad list went viral on Tumblr, and it inspired us to compile our own list of tried-and-true pick-me-ups.
Symptoms of SAD can include: 1  a persistent low mood. 2  a loss of pleasure or interest in normal everyday activities. 3  irritability. 4  feelings of despair, guilt and worthlessness.