For a Popular Class Demonstration,your Physics Instructor Uniformly Heats a Bimetallic

question 33

Multiple Choice

For a popular class demonstration,your physics instructor uniformly heats a bimetallic strip that is rigidly clamped vertically downward.As a result,the bimetallic strip bends to the right.Now your instructor uniformly cools the bimetallic strip by immersing it in liquid nitrogen.He asks you to predict in which direction the bimetallic strip will bend this time.

• A)to the right
• B)to the left

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Definitions:

Atropine

A medication used to treat certain types of nerve agent and pesticide poisonings, some types of slow heart rate, and to decrease saliva production during surgery.

Lanoxin Pediatric Elixir

A liquid form of the medication digoxin, used to treat heart failure and heart rhythm problems in children.

Loading Dose

An initial higher dose of a drug to quickly achieve a therapeutic level in the body.