2023 SCGS 4IP EOY Physics P2

SINGAPORE CHINESE GIRLS’ SCHOOL END OF YEAR EXAMINATION 2023 YEAR FOUR INTEGRATED PROGRAMME CANDIDATE NAME CLASS 4 REGISTER NUMBER CENTRE NUMBER INDEX NUMBER PHYSICS Thursday 28 September 2023 1 hour 45 mins Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Section A Answer all questions. Section B Answer all questions. Question 11 has a choice of parts to answer. Candidates are reminded that all quantitative answers should include appropriate units. The use of an approved scientific calculator is expected, where appropriate. 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. The number of marks is given in brackets [ ] at the end of each question or part question. Take g = 10 ms-2 or 10 Nkg-1 unless stated otherwise. This question paper consists of 21 printed pages and a blank page. For Examiner’s Use Section A 50 Section B 30 Total 80

2 SECTION A Answer all the questions in this section. 1 (a) Fig. 1.1 shows a toy helicopter. It can hover and travel through the air. Fig. 1.1 A student flies the toy helicopter on a journey from A to B to C to D at a constant height. The toy helicopter makes the journey in 40 s. Fig. 1.2 is a scale drawing of the path of the helicopter, viewed from above. D C Fig. 1.2 (to scale) (i) State the difference between distance and displacement.. …........................................................................................................................................... …………………………………………………………………………………………………….[1] (ii) Determine the average speed of the toy helicopter. Average speed = ......................................... [2] 40 m 10 m 35 m North A B

3 (iii) Another toy helicopter flies directly from point A to point D in 40 s. Explain why the magnitude of the average velocity of this toy helicopter is smaller than the answer in (a)(ii). ……………………………………………………………………………………………………… ……………………………………………………………………………………………………... ………………………………………………