# Tutorials Posted by lei

## lei from

 Rating (2):C Questions Asked: 0 Tutorials Posted: 16, Earned: \$28.22

## lei's Posted Tutorials

Bounty Category Question Tutorial Purchases Date Posted
...tion of c in different mediums mean in anyway that time flows differently in different mediums? You are correct that talk of the speed of light can be misleading. When we discuss the constancy of c......
Jun. 06, 2009 at 06:17:17AM
\$25.00 Physics Physics and Chemistry i think i can help
...d chemistry and i'v...
May. 16, 2009 at 08:58:26AM
\$2.50 Economics Marginal Rev/Marginal Cost marginal revenue, marginal cost and economic profit interrelation
... level of production, the marginal cost is the cost of the next unit produced In general terms, marginal cost at each level of production includes any additional costs required to produce the next......
May. 16, 2009 at 08:51:37AM
\$12.53 Literary-Studies The Color Purple What surprises Nettie about slavery?
..., Celie suggests that she seek out the family who took in Celie\'s two children. When Nettie finds them, they take her in and bring her to Africa with them as a missionary. In Africa, she writes......
May. 16, 2009 at 08:27:34AM
\$1.75 Mathematics algebra simplifying algebra
...hose toward the beginning of the alphabet—such as a, b, c—are designated as constants. Variables A variable is a letter that can represent a range of numbers, depending on its usage. The most common......
May 15, 2009 at 11:23:10PM
\$1.60 Mathematics help me solve thos Algebra II problem algebra problem 2
... That means that x and y can vary over a wide range of numbers. Solutions to the equation include x = 0 and y = 4, x = 3 and y = 2, and x= 6 and y = 0. Constants A constant is a letter that......
May 15, 2009 at 11:21:52PM
\$10.00 Philosophy philosophy socrates
...ants. He could only be charged for his actions during the four years preceding his trial in 399 B.C.E. It appears that Socrates, unchastened by the antidemocratic revolts and their aftermaths,......
May 15, 2009 at 10:08:22PM
\$15.00 Psychology Izard's Differential Emotions Scale emotions
...wrong or stupid; shamelessness: one does not feel shame, but others think one should.) * Kindness, opposite Unkindness (kindness: when people are good to other people) * Pity (when people feel......
May 15, 2009 at 9:42:58PM
\$1.00 Business supply and demand demand and supply
...Now that we know the laws of supply and demand, let\'s turn to an example to show how supply and demand affect price. Imagine that a special edition CD of your favorite band is released for \$20.......
May. 15, 2009 at 10:12:33AM
\$1.00 Biology Choose One Animal: Kangaroo kangaroo
...odlands, and gregarious. In addition, there are about 50 smaller macropods closely related to the kangaroo in the family Macropodidae. Behaviour Kangaroos are the only large animals to use hopping as......
May. 15, 2009 at 10:04:02AM
\$1.00 Biology what are the answers for biology if8765 bone structure
...vessels remain patulous, and do not contract in the canals in which they are contained. Lymphatic vessels, in addition to those found in the periosteum, have been traced by Cruikshank into the......
May. 15, 2009 at 09:54:45AM
\$5.00 Literary-Studies Critical Analysis of The Canterbury Tales analysis of canterbury tales
...a story that reflects their social position, and some telling stories which are intended to make fun of others in the group. No winner is chosen by the host in the end, and only a few of the pilgrims......
May. 15, 2009 at 09:27:02AM