EDELMAN PHYSICS FOR SPI (CHPT 1) EXAM QUESTIONS AND ANSWERS 100% CORRECT!!

The y-axis of a graph runs which way? A. Vertical B. Horizontal C. An up-sloping curve D. Slanted - ANSWER A. Vertical A vertical line runs up and down. Consider a window washer on a tall building. They move vertically on their scaffolding to wash the windows. What does it mean when something is "unrelated"? - ANSWER Two items that are NOT associated, or lacking a logical or casual connection. For example: Weight is UNREALTED to date of birth. Hair color is UNRELATED to shoes size. What does it mean when something is related, or proportional? - ANSWER Two items that are associated or affiliated. However, the relationship between the items does not have to be specified. Having a constant ratio to another quantity. For example: Weight is related to diet. Exam score is proportional to studying. What does it mean when something is directly related, or directly proportional? - ANSWER Two items that are associated such that when one item INCREASES, the other INCREASES. The graph of two directly related items extends from lower left to upper right. For example: Clothing size is directly proportional to one's weight. Skill is directly proportional to practice. Generally, individuals who smoke are more likely to have cardiovascular disease. How are these related? Inversely, directly, or unrelated? Years employed and days of vacation earned per year. - ANSWER Directly related. Length/amount of vacation time increases with length of employment. How are these related? Inversely, directly, or unrelated? IQ and shoes size. - ANSWER Unrelated. There is no relationship between shoes size and IQ.