Define a refrigerator's ice dispenser as an abstract data type (adt). include the headers for the operations, pre- and post-conditions for each operation, as well as comments or psuedocode describing each operation.

In a compound condition, both conditions on either side of the logical operator and must be true for the overall condition to be true. a: true b: false

Knowing that the central portion of link bd has a uniform cross sectional area of 800 mm2 , determine the magnitude of the load p for which the normal stress in link bd is 50 mpa. (hint: link bd is a two-force member.) ans: p = 62.7 kn

You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) are the outcomes on the two cards independent? why?