Chapter 16, Problem 33P

Interpretation Introduction

(a) Interpretation:

The fat in grams which is necessary to sustain 20-hr nonstop flight should be determined.

Concept introduction:

From the data given in the question, on complete oxidation one gram of fat provides $\text{37}\text{.656}\text{kJ}$ and Hummingbird expends $2.9\text{kJ/hr}$. The total time of flight of humming bird is $\text{20 hrs}$.

Interpretation Introduction

(b) Interpretation:

The additional weight which they require to start the flight should be determined.

Concept introduction:

From the data given in the question, on complete oxidation one gram of carbohydrate provides $\text{16}\text{.736}\text{kJ}$ and Hummingbird expends $2.9\text{kJ/hr}$. The total time of flight of hummingbird is $\text{20 hrs}$.