mm‚ where x is A) less than 6.5. B) greater than 6.5. Answer: B Var: 1 7) If an operatic aria lasts for 5.75 min‚ its length expressed in seconds is x s‚ where x is A) less than 5.75. B) greater than 5.75. Answer: B Var: 1 Generic Physics: Topic 1 -- CVC 5/23/11 -- Page 1 8) Scientists use the metric system chiefly because it is more accurate than the English system. A) True B) False Answer: B Var: 1 9) When adding two numbers‚ the number of significant figures in the sum is equal to the number of significant
Premium
Last week‚ on my trip to Berlin‚ I managed to drop my passport. I don’t know where — it might have been in the bathroom of Brussels airport trying to change clothes in a tiny room after a long red-eye‚ or it might have been when Brussels Air made me gate check a bag requiring a big rearrangement of items‚ or somewhere else. But two days later‚ arriving at a Pension in Berlin I discovered it was missing‚ and a lot of calling around revealed nobody had turned it in. In today’s document hungry world
Premium Canada Telephone
Philippine Education for All 2015: Implementation and Challenges Education is very important to human. We need to be educated in order for us not to be fooled by someone. Our parents send us in school to learn the basic skills specifically reading‚ writing‚ and simple arithmetic because they believe that education is the only treasure that they can give to us. It is also an instrument to elevate our social status in life. That’s why our government is trying to think of an effective way to
Free High school Secondary school Secondary education
Molly Wise Psychology Mrs. Caudill 3/18/14 Egg Baby Reflection Paper Throughout this whole experience with my baby egg Kendall‚ had really taught me how to become far more responsible. My experience with my egg baby was so much fun‚ but I soon learned that it wouldn’t be easy caring for a baby all day long every day. Having to look after a child 24/7 is not an easy task to accomplish‚ especially when you had other priories before the egg came along. I admit this whole process wasn’t fun at times
Free Psychology Child development Infant
The PSBB Millennium School Geruhambakkam Chennai XII Physics Worksheet Electric charges and field 1. 1. An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55x104 v/m. The density of oil is 1.26 gm/cc. Estimate the radius of the drop.[Ans:1.428x10-6m] 2. Two small spheres each of mass 10-6kg are suspended from a point by silk threads 50 cm long. They are equally charged and repel to a distance of 20cm.Calculate
Premium Electric charge Fundamental physics concepts Electrostatics
I. Temperature Measurement 1. A thermometric property is a physical property that changes in a known way with temperature‚ and can therefore be used to measure temperature. The substance used as a thermometer must have a property that varies proportionally / linearly with temperature. [ In other words: When objects are heated or cooled‚ their temperatures change‚ along with some of their properties‚ these properties are known as Thermometric Properties.] Two commonly used thermometric properties
Free Thermodynamics Temperature
Objectives: • To be able to explain how the photoelectric effect experiment works and why a photon model of light is necessary to explain the results. • To study the effect of intensity of light on photoelectric experiment. • To estimate the Planck’s constant‚ h through the simulation. • To be determine how to calculate the wavelength of light‚ the work function of the metal‚ or the stopping potential‚ if given the other two. Beginning with the plate made of sodium. Keep all the parameters
Premium Light Electromagnetic radiation Electron
Energetics Worksheet 1. Calculate a value for the Lattice Energy of Calcium Chloride from the following data. Draw energy cycles Std. Enthalpy of Formation of CaCl2 = - 795 kJ/ mol Std. enthalpy of atomisation of calcium = + 177 kJ/mol Std. enthalpy of atomisation of Chlorine = +121 kJ/mol 1st ionisation energy of calcium = +590 kJ/mol 2nd ionisation energy of calcium = +1100 kJ/mol Electron Affinity of chlorine = -364 kJ/mol 2. Draw Born-Haber cycles and calculate the L.E. of Cu2O and CuO
Premium Energy Enthalpy Carbon dioxide
Components of Force Vectors Equipment: String‚ spring scales‚ 1.00 kg hooked mass‚ supports‚ meter stick‚ protractor‚ 20-N spring scales. Objective: During this lab‚ you will investigate the relationship between the angle of an applied force and the magnitude of one component. You will compare your actual force with the theoretical force and provide a computer generated data table that calculates the theoretical values. You will graph your actual and theoretical values and provide a complete
Free Force Mass Angle
OThe Physics of Airplanes Background: At any given moment‚ roughly 5‚000 airplanes crisscross the skies above the United States alone‚ amounting to an estimated 64 million commercial and private takeoffs every year (source: NATCA). Considering the rest of the world ’s flight activity‚ the grand total is almost incalculable. In order to understand how airplanes fly‚ we must break down the parts of an airplane and understand the physics behind the airplanes most important components: the engine/propeller
Premium Newton's laws of motion Airfoil Force