Suppose a is an integer and p is a prime number such that

Sears and Zemansky's University Physics with Modern Physics 13
Problem 7DQ Lane dividers on highways sometimes have regularly spaced ridges or ripples. When the tires of a moving car roll along such a divider, a musical note is produced. Why? Explain how this phenomenon could be used to measure the cars speed.

Chemistry 11
Tin(II) fluoride (\(\mathrm{SnF}_{2}\)) is often added to toothpaste as an ingredient to prevent tooth decay. What is the mass of F in grams in 24.6 g of the compound?

Chemistry 11
Carbon dioxide has a linear geometry and is nonpolar. Yet we know that the molecule executes bending and stretching motions that create a dipole moment. How would you reconcile these conflicting descriptions about \(\mathrm{CO}_{2}\)?

Biology 8
How did Hutton's and Lyell's ideas influence Darwin's thinking about evolution?

Modern Chemistry 1
Given that the electron configuration for phosphorus is 1s22s22p63s23p3, answer the following questions: a. How many electrons are in each atom? b. What is the atomic number of this element? c. Write the orbital notation for this element. d. How many unpaired electrons does an atom of phosphorus have

Economics With Emphasis on the Free Enterprise System
Mary Kay Ash was an American businesswoman and founder of Mary Kay Cosmetics. Born in Harris County, Texas in 1918, Mary Kay attended Reagan High School in Houston, Texas and went on to graduate from the University of Texas. Described as a one-of-a-kind visionary, Mary Kay displayed a can-do spirit t

Chemistry for today : general, organic, and biochemistry 9
Why is the conversion of fructose-6-phosphate to fructose-1, 6-bisphosphate sometimes called the committed step of glycolysis?

Biochemistry 9
How do d-amino acids differ from l-amino acids? What biological roles are played by peptides that contain d-amino acids?