0620/03/O/N/05 ms - paper.sc query

(IGCSE) Chemistry Oct/Nov 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2005 paper 3

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12 © UCLES 2005 0620/03/O/N/05 For Examiner's Use (ii) Suggest a method of making the insoluble salt, calcium fluoride. [3]

(IGCSE) Chemistry Oct/Nov 2003 paper 5

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4 0620/05/O/N/03 (a) Plot your results on the grid. Draw a smooth line graph. [4] 12 Experiment number time/s 345 For Examiner’s Use

(A/s) Economics Oct/Nov 2005 paper 3

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MS) and three different demand for money curves (LP). The initial equilibrium is at point X. There is an increase in the level of money income and at the same time there is a contraction in bank credit. Which point could be the new equilibrium point? O quantity of money rate of interest A B D X C MS 3 LP 3 LP 1 LP 2 MS 1 MS 2 23

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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8 © UCLES 2005 0620/03/O/N/05 For Examiner's Use (ii) Predict the names of the product(s) formed when pentan-1-ol • reacts with an excess of oxygen, and [1] • is dehydrated to form an alkene, [1] • is oxidised by acidified potassium dichromate( VI ). [1]

(IGCSE) Information and Communication Technology Oct/Nov 2016 paper 2

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Ms Ms Mrs Ms Mr Mr Mr Mr Mr Miss Ms Ms Mr Mr Mr Miss Mr Ms Mr Miss Ms Miss Mr Miss Mr Mr Ms Mrs Ms Mr Mr First_Name Madison Niamh Lilly Demi Millie Archie Harry Louie Harvey Jay Rachel Sarah Kiera Mohammed Morgan Finley Cerys Archie Poppy Archie Melissa Eva Tia Harry Paige Corey Hayden Abbie Lydia Freya Peter Reece Mark Scheme Cambridge IGCSE – October/November 2016 Title

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 For Examiner's Use (b) Both of the following reactions are reversible. N 2 (g) + O 2 (g) reaction 1 2NO(g) 2NO(g) + O 2 (g) reaction 2 2NO 2 (g) (i) Suggest a reason why an increase in pressure does not affect the position of equilibrium for reaction 1. [1] (ii) What effect would an increase

(IGCSE) Chemistry Oct/Nov 2003

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0620 Chemistry November 2003 1 CONTENTS CHEMISTRY ...................................................................................................................... .2 Paper 0620/0

(IGCSE) Chemistry May/June 2004

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0620 Chemistry June 2004 1 CONTENTS CHEMISTRY ...................................................................................................................... .2 Paper 0620/0

(IGCSE) Chemistry Oct/Nov 2003 paper 5

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O/N/03 Experiment 2 Using a measuring cylinder pour into the beaker 10 cm 3 of the potassium bromate solution. Follow the instructions exactly as given for Experiment 1, using the same volumes of the other reagents, but this time add 6 cm 3 of water to the beaker. Record your time in the table. Experiments 3, 4 and 5 Repeat Experiment 1 using the volumes of aqueous potassium bromate

(IGCSE) Chemistry May/June 2003

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0620 Chemistry June 2003 1 CHEMISTRY ...................................................................................................................... .2 Paper 0620/01

(IGCSE) Chemistry Oct/Nov 2002

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SRIGCSGP111IN0201 1 Group III Sciences CHEMISTRY ...................................................................................................................... .2 Paper 0620/0

(IGCSE) Chemistry May/June 2005

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0620 Chemistry June 2005 1 CONTENTS CHEMISTRY ...................................................................................................................... .2 Paper 0620/0

(IGCSE) Chemistry Oct/Nov 2004

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0620 Chemistry November 2004 1 CONTENTS CHEMISTRY ...................................................................................................................... .2 Paper 0620/0

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of t he University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. 0620/03/O/N/05 BLANK PAGE

(IGCSE) Chemistry Oct/Nov 2003 paper 5

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(IGCSE) Chemistry May/June 2003 paper 5

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(IGCSE) Chemistry May/June 2005 paper 3

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(A/s) Physics Oct/Nov 2005 paper 2

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O/N/05 © UCLES 2005 [Turn over (c) The intensity of wave A alone at point P is I . (i) Show that the intensity of wave B alone at point P is I . [2] (ii) Calculate the resultant intensity, in terms of I , of the two waves at point P. resultant intensity = .....................

(IGCSE) Chemistry May/June 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2005 paper 5

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(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 For Examiner's Use (iv) Complete the following table that compares the separation and movement of the molecules in regions C to D with those in E to F . C to D E to F separation (distance between particles) movement of particles random and slow Can particles move apart to fill any volume? [5] (b) Complete the word equations for the reactions of ethanoic acid. calcium

(A/s) Physics Oct/Nov 2003 paper 1

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O/N/03 [Turn over 5 The time-base on a cathode-ray oscilloscope is set at 6 ms / cm. A trace consisting of two pulses is recorded as shown in the diagram. What is the time interval between the two pulses? A 0.42 ms B 0.75 ms C 1.33 ms D 27 ms 6 A micrometer screw gauge is used to measure the diameter of a

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 [Turn over For Examiner's Use 2 Ethanoic acid is a colourless liquid at room temperature. It has the typical acid properties and forms compounds called ethanoates. (a) A pure sample of ethanoic acid is slowly heated from 0 o C to 150 o C and its temperature is measured every minute. The results are represented on the graph below. temperature time A B C D E

(A/s) Physics Oct/Nov 2005 paper 2

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O/N/05 © UCLES 2005 5 Fig. 5.1 shows the variation with time t of the displacements x A and x B at a point P of two sound waves A and B. Fig. 5.1 (a) By reference to Fig. 5.1, state one similarity and one difference between these two waves. similarity: .........................

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 For Examiner's Use 7 In 1909, Haber discovered that nitrogen and hydrogen would react to form ammonia. The yield of ammonia was 8%. N 2 (g) + 3H 2 (g) 2NH 3 (g) the forward reaction is exothermic catalyst platinum temperature 600 o C pressure 200 atm (a) Describe how hydrogen is obtained for the modern process. [2] (

(IGCSE) Chemistry Oct/Nov 2003 paper 5

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O/N/03 (b) Describe how the appearance of the mixture in the beaker changed as you timed the reaction. ..........................................................................................................

(IGCSE) Chemistry Oct/Nov 2005

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0620 Chemistry November 2005 CONTENTS CHEMIST RY...................................................................................................................... ..1 Paper 0620/0

(A/s) Physics Oct/Nov 2005 paper 3

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(A/s) Physics Oct/Nov 2003 paper 5

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(IGCSE) Physics Oct/Nov 2005 paper 3

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(IGCSE) English as a Second Language (Speaking endorsement) Oct/Nov 2005 paper 3

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(A/s) Accounting Oct/Nov 2005 paper 3

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(A/s) Biology Oct/Nov 2003 paper 5

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(A/s) Physics Oct/Nov 2003 paper 5

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(IGCSE) Design and Technology Oct/Nov 2006 paper 3

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(A/s) Biology Oct/Nov 2003 paper 5

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(A/s) Biology Oct/Nov 2003 paper 5

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(A/s) Biology Oct/Nov 2005 paper 3

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(IGCSE) Physics Oct/Nov 2003 paper 5

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(IGCSE) Physics Oct/Nov 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 [Turn over For Examiner's Use 3 Reversible reactions can come to equilibrium. They have both a forward and a backward reaction. (a) When water is added to an acidic solution of bismuth( III ) chloride, a white precipitate forms and the mixture slowly goes cloudy. BiC 3 (aq) + H 2 O(l) BiOC (s) + 2HC (aq) colourless white

(A/s) Physics Oct/Nov 2005 paper 3

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(IGCSE) Physics Oct/Nov 2003 paper 5

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(A/s) English - Literature Oct/Nov 2003 paper 5

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(A/s) English - Literature Oct/Nov 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2007 paper 5

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(A/s) Economics Oct/Nov 2008 paper 3

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MS) and three different demand curves for holding money balances (LP). The initial equilibrium is at point X. rate of interest quantity of money O MS MS MS LP LP LP A B C D X Banks create more credit and people decide to hold less money as a precaution against emergencies. What is the new equilibrium point? 21 Real output in an economy grows by 1.5 % but at

(A/s) Physics Oct/Nov 2003 paper 5

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(IGCSE) Geography Oct/Nov 2003 paper 5

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0460/05/O/N/03 (Insert) Roundness 5 www.theallpapers.com

(IGCSE) English as a Second Language (Speaking endorsement) Oct/Nov 2003 paper 5

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(IGCSE) English as a Second Language (Speaking endorsement) Oct/Nov 2003 paper 5

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(A/s) Biology Oct/Nov 2005 paper 3

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(IGCSE) Design and Technology Oct/Nov 2005 paper 3

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(IGCSE) Chemistry Oct/Nov 2005 paper 1

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(IGCSE) Spanish - First Language Oct/Nov 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2005 paper 1

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(IGCSE) Chemistry Oct/Nov 2004 paper 5

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(IGCSE) Geography Oct/Nov 2003 paper 5

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(IGCSE) Geography Oct/Nov 2003 paper 5

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(IGCSE) Geography Oct/Nov 2003 paper 5

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(A/s) Physics Oct/Nov 2003 paper 5

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O/N/03 ............................................................................................................................... ...............

(IGCSE) French - Foreign Language Oct/Nov 2005 paper 3

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(IGCSE) Geography Oct/Nov 2003 paper 5

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(A/s) Physics Oct/Nov 2003 paper 5

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(A/s) Economics May/June 2005 paper 3

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MS represents the money supply and LP represents liquidity preference. O quantity of money r 2 r 1 LP 1 LP 2 MS rate of interest The rate of interest rises as a result of a shift in the liquidity preference curve from LP 1 to LP 2 . Which policy might be used to try to maintain the rate at r 1 ? A the purchase of bonds in the open market B reductions

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 [Turn over For Examiner's Use 5 Strontium and zinc are both metals with a valency of 2. Strontium is more reactive than zinc. Its chemistry is similar to that of calcium. (a) (i) Complete the following table that shows the number of protons, electrons and neutrons in each particle. particle protons electrons neutrons 88 Sr 90 Sr 65 Zn 2+ [3] (ii)

(A/s) Physics Oct/Nov 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 [Turn over For Examiner's Use 4 The alcohols form a homologous series. The first member is methanol and the fourth is butanol. CH 3 CH 2 CH 3 OH CH 2 CH 2 OH methanol butanol (a) (i) Give two general characteristics of a homologous series. [2] (ii) Calculate the mass of one mole of the C 8 alcohol. [2] (b) Give

(A/s) Biology Oct/Nov 2005 paper 3

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BLANK PAGE 5 9700/03/Inst/O/N/05 [Turn over

(A/s) Physics Oct/Nov 2005 paper 3

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(IGCSE) Chemistry Oct/Nov 2006 paper 5

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(IGCSE) Physics Oct/Nov 2003 paper 5

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(IGCSE) Chemistry Oct/Nov 2003 paper 3

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(IGCSE) Chemistry Oct/Nov 2003 paper 3

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(IGCSE) Geography Oct/Nov 2003 paper 5

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0460/05/O/N/03 (Insert) Z Class 2 of roundness 4 www.theallpapers.com

(A/s) Physics Oct/Nov 2005 paper 3

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(A/s) Physics Oct/Nov 2003 paper 5

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2 9702/05/O/N/03 BLANK PAGE DO NOT WRITE IN THIS SPACE

(A/s) Chemistry Oct/Nov 2003 paper 5

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8 9701/05/Inst/O/N/03 Report on any difficulties experienced by candidates.

(IGCSE) Physics Oct/Nov 2003 paper 3

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o. is set at 5.0 ms / cm. Calculate the time interval between the voltage pulses. time = ........................................ (iii) Suggest one example where a c.r.o. can be used to measure a small time interval. ............................

(IGCSE) Chemistry Oct/Nov 2005 paper 3

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O/N/05 For Examiner's Use 1 (a) The structure of a typical ionic compound is a regular arrangement of positive and negative ions. + – + – + – + – + – + – + – + – – + – + + – + – (i) What is the name of this regular arrangement of particles? [1] (ii) Give two physical properties of ionic compounds.

(A/s) Biology Oct/Nov 2005 paper 3

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BLANK PAGE QUESTION 2 CONTINUES ON PAGE 8 7 9700/03/O/N/05 [Turn over

(IGCSE) Co-ordinated Sciences Oct/Nov 2005 paper 3

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(IGCSE) Physics May/June 2005 paper 3

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ms of energy. from ........................................................... to ............................................................ [1] wire fixed here wire fixed here 12

(IGCSE) Chemistry Oct/Nov 2009 paper 5

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(IGCSE) Physics Oct/Nov 2003 paper 5

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6 0625/05/Ans Bk/O/N/03 Tie your ray trace sheet here For Examiner’s Use

(IGCSE) Chemistry Oct/Nov 2009 paper 5

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(IGCSE) English - First Language (UK) Oct/Nov 2011

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N/A N/A N/A 76 63 51 39 27 A2 01, 04, 05 N/A N/A N/A 81 67 54 41 28 A3 01, 03, 06 N/A N/A N/A 76 63 51 39 27 B1 02, 03, 05 94 84 74 65 56 47 N/A N/A B

(IGCSE) Information and Communication Technology Feb/March 2020 paper 2 variant 1

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Ms Mr Mr Mrs Mrs Miss Ms Ms Mr Miss Mr Miss Mrs Mr Mr Ms Mr Mr Mr Ms Mrs Mr FamilyName StreetAddress PostCode TelephoneNumber Date Session Rhodes 11 Glandovey Terrace PL32 9XJ 7800650838 05-Mar-20 AM Hope 55 Fordham Rd PL32 1TA 7038011183 05-Mar-20 AM Barnes 41 Newport Road PO30 1PX 7745

(IGCSE) Chemistry Oct/Nov 2008 paper 5

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(IGCSE) Chemistry Oct/Nov 2008 paper 5

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(IGCSE) Chemistry Oct/Nov 2009 paper 5

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(IGCSE) Chemistry Oct/Nov 2008 paper 5

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(A/s) Physics Oct/Nov 2003 paper 5

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5 9702/05/INST/O/N/03 [Turn over Question 2 Question 2 is a design exercise that does not require apparatus.

(IGCSE) Physics Oct/Nov 2003 paper 5

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3 0625/05/Ans Bk/O/N/03 [Turn over [7] 20 30 40 50 60 70 80 90 100 / ° C For Examiner’s Use (d)

(IGCSE) Design and Technology Oct/Nov 2005 paper 3

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(A/s) Biology Oct/Nov 2005 paper 3

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(A/s) Mathematics May/June 2005 paper 5

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ms − 2 when its displacement from a fixed point O of the line is x m. The velocity of the particle is v ms − 1 , and it is given that v = 2.5 when x = 0. Find (i) an expression for v in terms of x ,[5] (ii) the minimum value of v .[2] 6 A rigid rod consists of two parts. The part