1.1 GRAVITY AND GRAVITATIONAL FIELDS 1.1.1 Define weight as the force on an object due to a gravitational field. Weight is the force experienced by an object due to the presence of a gravitational field. This force is directly related to the strength of the gravitational field acting on an object and the mass of that object. m = mass‚ g = acceleration due to gravity m = mass‚ g = acceleration due to gravity Fg = mg Fg = mg 1.1.2 Explain that a change in gravitational
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Motion NCERT Chapter Questions and Answers and other Q & A Q1: An object has moved through a distance. Can it have zero displacement? If yes‚ support your answer with an example. Answer: Yes an object can have zero displacement even though it has moved through a distance. It happens when the object moves back to its original position i.e. final position coincides with the starting position. Example: Suppose an object travels from O to C and then comes back to original position O. Total
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Laura Marie PHI 104-51 MIDTERM MIDTERM EXAM INSTRUCTIONS: Please answer the following questions with a few sentences or a paragraph. 1. Define Ethics: Ethics are principles of right conduct that serve as rules for people. It is the understanding of what is right and wrong‚ and choosing to do what is right. 2. What are the 5 Steps to Making an Ethical Decision? The first step in making an Ethical decision is to recognize a moral issue. The second step
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NCS/SA-1st/11-12/XII/Physics/70 Total Pages 4 FIRST SUMMATIVE ASSESSMENT : 2011-12 Subject : PHYSICS Time : 3 hrs. General Instructions: (i) (ii) (iii) All questions are compulsory. There are 30 questions in total. Questions 1 to 8 carry 1 mark each‚ 9 to 18 carry 2 marks each‚ 18 to 27 carry 3 marks and 28 to 30 carry 5 marks each. Use of calculator is not permitted. Class : XIIth M.M. : 70 1. 2. 3. What does q1 + q2 = 0 signify in electrostatics ? 1 In Bohr’s model of
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Kinematics / Projectiles x =?vt ?v = (v + vo)/2 v = vo + at x = vot + ½at2 v2 = vo2 + 2ax y =?vt ?v ’ ½(vo + v) v = vo – gt y = vot – ½gt2 v2= vo2 – 2gy R = (v02/g)sin(2θ) Forces Fnet = ma Fgravity = mg Ffriction ≤ μsN Ffriction = μkN Circular Motion Fnet = mv2/r ac = v2/r v = 2πr/T f = 1/T T = 1/f Gravitation F = GM1M2/R2 g = GM/R2 T2/R3 = 4π2/GM = constant GM = Rv2 Energy W = Fdcosθ KE
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CAMBRIDGE INTERNATIONAL EXAMINATIONS Compiled by Imran Mirza MSc Physics‚ PGCC‚ Scoland‚ Uk Planning Analysis And Evaluation A-level Physics This booklet covers CIE A Level Physics Paper 5 By Imran Mirza 2009-2011 Exam tips for Planning‚ Analysis and Evaluation paper By Imran Mirza Don’t rush........ Three golden rules........ 1. Read the question 2. READ the question 3. Answer the question Make sure that you do not do what so many students do......they see a ’key c word like ’magnetic flux’
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Date Due: 2013.09.23____ Name: Lily Li____ Class: A__ Teacher: ___Mrs Slater___ Purpose: To determine the period and the frequency of a ticker timer. Materials/Apparatus: One ticker timer One carbon paper disc One 1.5+ meter tape One test tape One stop-watch Theory: The recording timer is a device that helps you study motion‚ it is a simple electric device plugged into mains power‚ with a stylus that vibrates up and down. The stylus hits
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14.1 Analogue and Digital signals – Student Work Book. 1). (a) Explain what is meant by the Binary number system. ………………………………………………………………………………………………… ………………………………………………………………………………………………… (b) Explain why the binary number system is very important for digital electronic systems. ………………………………………………………………………………………………… ………………………………………………………………………………………………… 2). The table below contains both decimal and binary numbers. Complete the table by giving the equivalent binary or
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MWH French and Haitian Revolution Comparison Essay In the French Revolution‚ 1789 and the Haitian Revolution‚ 1791‚ the people wanted more rights and equalities. France wanted to gain independence from Britain and equality for nobles. Haiti wanted to gain independence from France and black landowners wanted equal rights. The main reason for these revolutions was the fight for rights and equality. One similar cause between the French and Haitian was their hunger for rights and equality. The
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Mathematics tests 3 ALL TIERS Mark scheme for Paper 2 Tiers 3–5‚ 4–6‚ 5–7 and 6–8 2007 National curriculum assessments 2007 KS3 Mathematics test mark scheme: Paper 2 Introduction Introduction The test papers will be marked by external markers. The markers will follow the mark scheme in this booklet‚ which is provided here to inform teachers. This booklet contains the mark scheme for paper 2 at all tiers. The paper 1 mark scheme is printed in a separate booklet. Questions
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