Answer:
c
Step-by-step explanation:
PI times radius squared
7/8 = <span>0.875
3/4 </span><span>= 0.75
</span>0.875 - 0.75 = 0.125
Answer. 0.125
Answer:
C(t) = I/F [1 - e^(-Ft/V) ] + C₀e^(-Ft/V)
as t = 0 ; C(t) = 1/F
Explanation:
dC/dt) = (-F/V)*C+(I/V)
To make it easier to solve, let
Constants: I, V,F
Variables: C, t
workings and solution can be viewed below