In Exercises 1 and 2, you may assume that is an orthogonal

College Physics 1
Problem 5PE Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth for a total of 20 rubs, at a distance of 7.50 cm per rub, and with an average frictional force of 40.0 N, what is the temperature increase? The mass of tissues warmed

Classical Mechanics 0
Imagine that this world is perfectly rigid, uniform, and spherical and is spinning about its usual axis at its usual rate. A huge mountain of mass 10-8 earth masses is now added at colatitude 60, causing the earth to begin the free precession described in Section 10.8. How long will it take the North

Sears and Zemansky's University Physics with Modern Physics 13
A narrow, U-shaped glass tube with open ends is filled with \(25.0 \mathrm{~cm}\) of oil (of specific gravity 0.80) and \(25.0 \mathrm{~cm}\) of water on opposite sides, with a barrier separating the liquids (Fig. P12.58). (a) Assume that the two liquids do not mix, and find the final heights of the

Chemistry 11
Predict the precipitate produced by mixing an \(\mathrm{Al}\left(\mathrm{NO}_{3}\right)_{3}\) solution with a NaOH solution. Write the net ionic equation for the reaction.

Myers' Psychology for AP 2
Explain the following two theories regarding why we dream. Include a criticism each faces: Freuds theory Neural activation theory

Anatomy & Physiology 1
The smallest unit of an element that still retains the distinctive behavior of that element is an ________. a. electron b. atom c. elemental particle d. isotope

Psychology 1
The letters in the abbreviation DSM-5 stand for ________. a. Diseases and Statistics Manual of Medicine b. Diagnosable Standards Manual of Mental Disorders c. Diseases and Symptoms Manual of Mental Disorders d. Diagnostic and Statistical Manual of Mental Disorders

Concepts of Biology 1
Phospholipids are important components of __________. a. the plasma membrane of cells b. the ring structure of steroids c. the waxy covering on leaves