Class XI Exercise 4 – Motion in a Plane Physics Question 4.1: State‚ for each of the following physical quantities‚ if it is a scalar or a vector: volume‚ mass‚ speed‚ acceleration‚ density‚ number of moles‚ velocity‚ angular frequency‚ displacement‚ angular velocity. Answer: Scalar: Volume‚ mass‚ speed‚ density‚ number of moles‚ angular frequency Vector: Acceleration‚ velocity‚ displacement‚ angular velocity A scalar quantity is specified by its magnitude only. It does not have any
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I started vacuuming‚ that took me at least 2 hours because I ended up vacuuming the entire house. I was sooo tired when I finished‚ I had 6 hours left before Jennifer Lawrence arrived‚ what should I do to impress her? I mean besides talking about physics? I decided I’d make some coffee for the two of us‚ while all of this happens I remember that the A/C turns on every 30 minutes for 30 minutes‚ so it is on for 12 hours a day‚ then I remember to wash my dishes‚ so I put them in the dishwasher‚ which
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each sphere if the threads make an angle = 15º with the vertical? | | A) 0.79 C B) 2.9 C C) 75 mC D) 6.3 C E) 0.11 C | | | | Three charges‚ each of Q = 3.2 10–19 C‚ are arranged at three of the corners of a 20-nm square as shown. The magnitude of the electric field at D‚ the fourth corner of the square‚ is approximately | A) | 1.4 107 N/C | D) | 30 N/C | B) | 1.0 1011 N/C | E) | 1.8 107 N/C | C) | 3.6 1010 N/C | | | | | | An infinitely
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LESSON PLAN IN PHYSICS Prepared by: Gemima B. Galvez ------------------------------------------------- “FRICTION” I. Learning Objectives At the end of the lesson‚ 95% of the fourth year students should be able to: 1. define friction; 2. identify the types of friction; 3. draw the free body diagram of forces in a given problem; and 4. determine the advantages and disadvantages of frictional force in our daily life. II. Learning Content A. Subject matter Friction
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Leaving Cert Physics Acceleration‚ Force‚ Momentum‚ Energy long questions Remember to photocopy 4 pages onto 1 sheet by going A3→A4 and using back to back on the photocopier 2012 - 2002 Solutions to ordinary level questions begin on page 11 Solutions to higher level questions begin on page 19 Velocity 2010 Question 12 (a) [Higher Level] (i) A student holds a motion sensor attached to a data-logger and its calculator. List the instructions you should give the student so that
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ANSWERS TO QUESTIONS 1. Sustainable income is defined as the most likely level of income to be obtained in the future. It is the amount of regular income that a company can expect to earn from its normal operations. In order to distinguish a company’s net income from its sustainable income‚ irregular items‚ such as a once-in-a lifetime gain or discontinued operations‚ are reported separately on the income statement. 2. Items (a)‚ (d)‚ and (g) are extraordinary items; item (h) is debatable
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AP United States History Course Long Plan Course Description This course examines the major political‚ diplomatic‚ social‚ cultural‚ and economic developments in the United States from Pre-Columbian times to the present. It is a survey class that prepares the student to take the Advanced Placement examination in United States History in May of the junior year. The district has created a two year program because the high school is on a modified AB 4 x 4 block schedule. Additionally‚ district
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1. Based on your view of the objectives of performance evaluation‚ evaluate the perspectives about performance appraisal presented by the managers. I believe that each manager sees performance evaluation as serving a different purpose. Lynn‚ incorporates politics into her evaluation and doesn’t score base done today‚ she incorporates that it will be on the employees permanent record. She also inflated ratings to make an employee feel better about a personal issue. Max admits that accuracy isn’t
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Chapter 6. Uniform Acceleration Problems: Speed and Velocity 6-1. A car travels a distance of 86 km at an average speed of 8 m/s. How many hours were required for the trip? [pic] [pic] t = 2.99 h 6-2. Sound travels at an average speed of 340 m/s. Lightning from a distant thundercloud is seen almost immediately. If the sound of thunder reaches the ear 3 s later‚ how far away is the storm? [pic] t = 58.8 ms 6-3. A small rocket leaves its pad and travels a
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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education .c rs om *7776753992* PHYSICS Paper 3 Extended Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs or rough working. Do not use staples‚
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