Classical Mechanics 0
Consider an object that is coasting horizontally (positive x direction) subject to a drag force f = by cv2. Write down Newton's second law for this object and solve for v by separating variables. Sketch the behavior of v as a function of t. Explain the time dependence for t large. (Which force term i

Campbell Biology 9
Most cells cannot harness heat to perform work because a. heat is not a form of energy. b. cells do not have much heat; they are relatively cool. c. temperature is usually uniform throughout a cell. d. heat can never be used to do work. e. heat must remain constant during work

Anatomy & Physiology 1
The pelvis ________. a. has a subpubic angle that is larger in females b. consists of the two hip bones, but does not include the sacrum or coccyx c. has an obturator foramen, an opening that is defined in part by the sacrospinous and sacrotuberous ligaments d. has a space located inferior to the pel

Human Anatomy & Physiology 9
Define hypersensitivity. List three types of hypersensitivity reactions. For each, note whether antibodies or T cells are involved and provide two examples.

Psychology 1
What is egocentrism? Provide an original example.

General Chemistry. Principles and Modern Applications 11
When an iron object rusts, its mass increases. When a match burns, its mass decreases. Do these observations violate the law of conservation of mass? Explain.

Plant Systematics 3
What is the difference between determinate and indeterminate inflorescence development?

Principles of Economics 9
Which of the following trade policies would benefit producers, hurt consumers, and increase the amount of trade? a. the increase of a tariff in an importing country b. the reduction of a tariff in an importing country c. starting to allow trade when the world price is greater than the domestic price