Chapter 2.2, Problem 35E

To determine

a)

To find:

The time at which the plasma is warm to $90°\text{F}$ if the oven temperature is $100°\text{}\text{}\text{F}$.

To determine

b)

To find:

The time at which the plasma is warm to $90°\text{F}$ if the oven temperature is $140°\text{}\text{F}$.

To determine

c)

To find:

The time at which the plasma is warm to $90°\text{F}$ if the oven temperature is $80°\text{F}$.