Why will dust be attracted to a DVD wiped with a dry cloth

College Physics 1
Problem 39PE (a) Find the useful power output of an elevator motor that lifts a 2500-kg load a height of 35.0 m in 12.0 s, if it also increases the speed from rest to 4.00 m/s. Note that the total mass of the counterbalanced system is 10,000 kgso that only 2500 kg is raised in height, but the full

Inquiry into Physics 7
The quartz crystal used in an electric watch vibrates with a frequency of 32,768 Hz. What is the period of the crystals motion?

Krugman's Economics for AP* 2
At right is a simplified circular-flow diagram for the economy of Micronia. a. What is the value of GDP in Micronia? b.What is the value of net exports? c. What is the value of disposable income? d.Does the total flow of money out of householdsthe sum of taxes paid and consumer spendingequal the tota

The Practice of Statistics 5
Cereal A companys cereal boxes advertise 9.65 ounces of cereal. In fact, the amount of cereal in a randomly selected box follows a Normal distribution with mean m = 9.70 ounces and standard deviation s = 0.03 ounces. (a) What is the probability that a randomly selected box of the cereal contains less

Biology: The Unity and Diversity of Life 15
Cytoplasm of a plant cell divides by the process of ___ . a. telekinesis c. fission b. nuclear division d. cytokinesis

Psychology 1
Compare and contrast classical and operant conditioning. How are they alike? How do they differ?

Foundations in Microbiology 10
Explain what it means to be an obligate intracellular parasite. Name three groups of obligate intracellular parasites.

Physical Science 11
A generalized mental image of an object is a (an) a. definition. b. impression. c. concept. d. mental picture