Question

A hummingbird is trying to make it across the Gulf of Mexica at its narrowest point, which is 250 miles. The bird can fly 25mph, but its metabolic rate increases to 42.0 mlO₂/g hr . The fat free mass of the bird is 2.5 g. What is the minimum amound of fat that the bird must put on to make it safely across at the narrowest point. Assuming it only uses fat? Recall bird uses 19.8 J/L O₂ and fat contains 39.3 kJ/g .

Answer 1