Making it through flight-attendant training is no picnic either, and flunking out results in not getting hired, Annette Long, a flight attendant with 13 years of experience, tells Business Insider.
Using a technique first devised by Karplus and Berger in 1970, a second part was added to the volume displacement task. The full task is done with three graduated cylinders with equal amounts of water and three marbles. The marbles have the following characteristics: The first marble is a large glass marble (18.5g). The second marble is a large steel marble, the same volume as the glass marble but more massive or heavier (66g). The third marble is a small steel marble, much smaller than the glass marble but the same mass or weight as the glass marble (18.5g). The protocol is as follows. The subjects are shown all three marbles and cylinders with water.
Rating Newest Oldest. Best Answer: The stone is a unit of mass. It is part of the Imperial system of weights and measures used in the British Isles, and formerly used in most Commonwealth countries. It is equal to 14 pounds and to 6.35029318 kilograms.Eight stone make a hundredweight in the Imperial system.t is part of the Imperial system of weights and measures used in the British Isles, and formerly used in most Commonwealth countries. It is equal to 14 pounds and to 6.35029318 kilograms.