. Each of the modes of transportation have a market niche in terms of the commodity transported by the mode. Describe the characteristics of the commodities transported by air carriers.

Mail, clothing, communication products, photography equipment, automobiles and jewelry

Explanation:

Air Cargo Transportation or Air Commodity Transportation is a segment in the logistics and warehousing sector of the airline industry which involves storing of items and shipping it across the country and around the globe through commercial and private airline services.

The movement of goods from one place to another or from one country to another is becoming more and more common in today's global marketplace; according to the U.S. Labor of Bureau Statistics, air cargo transportation in particular is developing at an above average rate as goods are being shipped internationally more often.

Some commodities that are often shipped includes Mail, electronic products,  communication products, clothing, photography equipment, automobiles and jewelry.

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces