To compress spring 1 by 0.20 m takes 150 J of work.

A First Course in Probability 9
Suppose that the number of events that occur in a specified time is a Poisson random variable with parameter \(\lambda\). If each event is counted with probability \(p\), independently of every other event, show that the number of events that are counted is a Poisson random variable with parameter \(

Campbell Biology in Focus - Standalone book 1
A typical prokaryotic cell has about 3,000 genes in its DNA, while a human cell has about 20,500 genes. About 1,000 of these genes are present in both types of cells. Based on your understanding of evolution, explain how such different organisms could have this same subset of genes. What sorts of fun

Hole's Essentials of Human Anatomy & Physiology 11
Differentiate between the microscopic structure of compact bone and spongy bone. (p. 134)

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?

Principles of Economics 2
Why do economists use the ceteris paribus assumption?

The Practice of Statistics 5
Cool car colors The most popular colors for cars and light trucks change over time. Silver passed green in 2000 to become the most popular color worldwide, then gave way to shades of white in 2007. Here is the distribution of colors for vehicles sold in North America in 2011.8 Color Percent of vehicl

Essentials of Understanding Psychology 11
Who pioneered the study of conformity? a. Skinner b. Asch c. Milgram d. Fiala

Biology 11
Seed plants lack which of the following structure(s)? (a) ovules surrounded by integuments (b) microspores and megaspores (c) vascular tissues (d) a large, nutritionally independent sporophyte (e) a large, nutritionally independent gametophyte