Temasek 2024_Prelim_4E_Phy_P2_QP Final

No part of the paper is to be reproduced without the approval of the Principal of Temasek Secondary School. Name: _________________________ Index Number: Class: _______ TEMASEK SECONDARY SCHOOL Preliminary Examination 2024 Secondary 4 Express PHYSICS 6091 / 02 Paper 2 Structured and Free Response 1 hour 45 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Do not open the booklet until you are told to do so. You are required to submit this booklet at the end of the paper. Write your name, index number and class on all the work you hand in. Write in dark blue or black pen. Section A Answer all questions. Write your answers in the spaces provided. Section B Answer one question. Write your answers in the spaces provided. Candidates are reminded that all quantitative answers should include appropriate units. Candidates are advised to show all their working in a clear and orderly manner, as more marks are awarded for sound use of physics than for correct answers. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] as the end of each question or part question. Take gravitational field strength as 10 N/kg. For official use only: 1 4 7 10 13 16 Total: 2 5 8 11 14 3 6 9 12 15 This document consists of 22 printed pages and 0 blank page.

2 No part of the paper is to be reproduced without the approval of the Principal of Temasek Secondary School. Section A Answer all questions. 1 Car A moves from X to Y in a straight road at a constant acceleration of 2.0 m/s2 from rest. At the same starting time as car A, car B starts to move from Y to X at a speed of 3.0 m/s along the same straight road. Car B maintains the same speed throughout the whole journey. (a) Describe how the speed of car A changes with time as it moves from X to Y. …………………………………..…………………………………………………....[1] (b) In Fig. 1.1, s ketch the velocity -time graphs of car A and car B from t = 0 s to t = 5 s. Label the graph with the appropriate values . Take direction from X to Y as the positive direction. [3] (c) The distance between X and Y is 1000 m. Calculate the time taken for Car A to travel from X to Y. time = ………………………. [2] Fig. 1.1 velocity/m/s t/s 0 5

3 No part of the paper is to be reproduced without the approval of the Principal of Temasek Secondary School. 2 In Fig. 2.1, a giant balloon of weight 400 N is filled with helium. It is being secured to the ground by two identical ropes. Each rope experiences a tension of 500 N and the angle between them is 100°. (a) By drawing a labelled vector diagram, determine the magnitude of the resultant of the two tensions. magn