Suppose that the current through a resistor is de­scribed by the functioni (t) = (60 - t)2...

Suppose that the current through a resistor is de­scribed by the function

i (t) = (60 - t)2 + (60 - t) sin

and the resistance is a function of the current:

R = 10i + 2i2/3

Compute the average voltage over t = 0 to 60 using the multiple-segment Simpson's 1/3 rule

FIGURE P18.16

(a) A rod under axial loading and (b) the resulting stress-strain curve, where stress is in kips per square inch (103 lb/in2), and strain is dimensionless.