EVERYDAY SCIENCE : PHYSICS -NO.6 Time: 30 minutes Marks: 100 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. Which of the following is the best conductor for electricity? A. Distilled water B. Salt water C. Tap water D. Rain water A sprayer works on the principle expounded by A. Newton B. Archimedes C. Boyle D. Pascal Cloudy nights are warmer because A. clouds prevent radiation of heat from the ground into the air B. of low atmospheric pressure C. of the compact density
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Wilson‚ College Physics‚ 6th Edition Chapter 9 Exercises MC = Multiple Choice Question‚ CQ = Conceptual Question‚ and IE = Integrated Exercise. Throughout the text‚ many exercise sections will include “paired” exercises. These exercise pairs‚ identified with red numbers‚ are intended to assist you in problem solving and learning. In a pair‚ the first exercise (even numbered) is worked out in the Study Guide so that you can consult it should you need assistance in solving it. The second exercise
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LESSON 1 BASIC PRINCIPLES‚ CONCEPTS AND DEFINITION OF THERMODYNAMICS OBJECTIVES The study of this lesson will enable the students to: 1. define thermodynamics and other terms necessary in the study of thermodynamics; 2. know the approaches in the study of thermodynamics; 3. state the difference between dimension and unit; 4. explain the different thermodynamics system; 5. differentiate homogenous system to a non homogenous system; 6. know the different thermodynamic properties and state
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------------------------------------------------- Presentation Transcript Chapter 14: Weather and Climate : Chapter 14: Weather and Climate (NATSC 003 Report) Introduction : NATSC 003 Weather and Climate 2 Introduction Weather and Climate affects our Earth’s atmosphere. Different phenomena occurs with regards to them. Sometimes‚ weather and climate are classified as the same because it has referred to as a change in atmospheric condition. But‚ what is really a WEATHER and a CLIMATE? Weather and
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Prior to the 1500’s‚ Europeans lived their daily lives relying greatly on the authority of the church and ancient Greek and Roman authors‚ basing their perception of the world directly by the Bible. However‚ these institutions of authority tended to reject new ideas due to the fear of losing power once contradicting theories take the place of those written in the Bible. For most Europeans‚ change was frightening and difficult to grasp‚ causing very few individuals to challenge the church by making
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Matter can be quantified in three different ways. The first way is to count how many of something you have‚ For example‚ you can count the number of shirts in your closet. The second way to quantify or measure matter is to determine its mass. For example‚ you can buy bananas by the pound. The third and last way to quantify or measure matter is to determine its volume. For example‚ people by gasoline by the gallon. Chemists use a unit that is a certain number of particles. This unit is known as the
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Completion Problems (Elasticity) 1. A steel wire of length 4.7m and cross-sectional area 3×10-5m2 stretches by the same amount as a copper wire of length 3.5m and cross-sectional area of 4×10–5m2 under a given load. What is the ratio of the Young’s modulus of steel to that of copper? For Steel l1= 4.7 m‚ a1 = 3.0 x 10-5 m2 Y1= Fl1/a1∆l Y1= (F x 4.7m)/ (3.0 x 10-5 x ∆l) For Copper L2=3.5 m‚ a2 = 4.0 x 10-5 m2 Y2= (F x 3.5m)/ (4.0 x 10-5 x ∆l) Dividing Steel by Copper Y1/ Y2
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of Galileo’s. Toricella concluded that the air pressure explains why the water would only go as high as thirty four feet. Although there was no direct evidence to prove Toricella’s theory to be true‚ it was proven indirectly with the use of a mercury barometer‚ which made length measurements easier to understand. Shortly there after‚ the principle of verifiability was introduced and defined as wanting to describe the conditions that make a particular theory true. The main objective to the principle
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laboratory is to find a mathematical model for the saturation curve for water/steam. APPARATUS The apparatus used during the experiment are as follows; * Marcet boiler * Bunsen burner * Gauge pressure * Thermocouple * A mercury-in-glass thermometer * A stop watch PROCEDURES * I heated the boiler with both taps open. When boiling started‚ I closed the side tap. * I allowed the steam to escape from the top tap for one minute I closed the top tap. * I heated
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Chemistry 1211 Prof. Dan Schwartz Exam #2 Thursday‚ 3/13/2003 7:00 – 8:30 P.M. There is a single correct choice for each question. Answer all questions on the Scantron sheet by filling in the proper bubble with a #2 pencil. If you change an answer‚ erase the undesired mark thoroughly. Be sure to fill in the boxes for your student number‚ name and lab section; then correctly fill in the corresponding bubbles beneath them. A periodic table and other useful information are attached to the back
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