author: jerry d wilson

... battery ( Fig . 37-1 ) , the positive ions migrate toward the neg- ative electrode or ... dronium ions , H3O + ) and negatively charged hy- droxyl ions ( OH ) ... one diatomic molecule of oxygen are formed , and the oxygen ac- cumulates ...

... energy is lost and gravitational potential energy is gained as the ball travels upward. The potential energy increases by 25 J, as might be expected. This is an example of the conservation of energy, as will ... Find: An important point is ...

... pendulum bobs of different masses • Pendulum clamp ( if available ) • 1 sheet of Cartesian graph paper • String III . THEORY A pendulum consists of a " bob ” ( a mass ) attached to a string that is fastened so that the pendulum assem ...

... number of protons . Brownian motion The erratic motion of small particles ... ( proton ) number the number of protons in a nu- cleus or atom . The atomic or ... Molecule a group of two or more atoms held together by forces called chemical ...

... 1.2 m / s2 33. ( a ) 0.89 m / s2 ( b ) 0.84 m / s2 35. The pennies at the 10- , 20- , 30- , 40- , 50- , and 60 - cm marks will be slowed ( acceleration - wise ) by the meterstick . The pennies at the 70- , 80- , 90- , and 100 - cm marks ...

... all of the above . 2. Which of the following is geologic evidence supporting ... theory of continental drift . 4. What is the present theory of the mechanism ... Plate Tectonics 8. Which of the following is a primary cause of volcanoes ...

... chemical formulas for the reactants and products must be used and cannot be changed . For example , the decomposition of hydro- gen iodide is initially written HI H2 + 12. How- ever , until the equation is balanced , it does not express ...

... phasor sum of the resistance R and the inductive reactance XL . XL tan = – XC R (b) Phase diagram. 21.4.2. Series. RL. Circuit. А FIGURE 21 10 A series RLC circuit (a) In a series RLC circuit, (b) the impedance Z is the phasor sum of the ...