Discover Questions

Negative Feedback Physics...
How does voltage at inverting input equal to voltage at non-inverting input assuming op-amp is not saturated?? Given s=2 cos wt-5 sin 3t, what are the equations for the first and second differential? Ax - by + bx - ay? Looking for metal stamping supplies? Standard entropy of formation of NaCl(s), in J/(mol-K)?
A -202
B -181
C -91
D 72
E 346?