試題詳解

1. Atmospheric pressure decreases with altitude, but not in a linear manner. It decreases according to the following formula: P = , where the constant k is given by , P₀ is the atmospheric pressure at sea level, and y is the height above sea level. At what height above sea level will the atmospheric pressure be reduced to half? [ln2 = 0.69314]
(A) 5545 m
(B) 3447 m
(C) 5034 m
(D) 4790 m
(E) 2996 m