Pulling Out of a Dive, the Pilot of an Airplane

question 82

Multiple Choice

Pulling out of a dive, the pilot of an airplane guides his plane into a vertical circle. At the bottom of the dive, the speed of the airplane is 320 m/s. What is the smallest radius allowable for the vertical circle if the pilot's apparent weight is not to exceed 7.00 times his true weight?

• A) 1740 m
• B) 1490 m
• C) 2240 m
• D) 228 m
• E) 41.7 m

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Definitions:

Purine

A nitrogen-containing compound that is one of the two types of bases found in DNA and RNA, the other being pyrimidine.

Pyrimidine

A nitrogenous base found in nucleic acids, characterized by a single ring structure, such as cytosine, thymine (in DNA), and uracil (in RNA).

Diploid

Having two of each type of chromosome characteristic of the species (2n).

Chromosomes

Structures consisting of DNA and proteins, found in the nucleus of cells, carrying genetic information in the form of genes.