2023 NYGH Phy Prelims P2

南洋女子中学校 NANYANG GIRLS' HIGH SCHOOL Preliminary Examination 2023 Secondary Four 'O' Level CANDIDATE NAME CENTRE NUMBER S INDEX NUMBER PHYSICS 6091/02 Paper 2 28 Aug 2023, Monday 1 hour 45 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, index number and name on all the work you hand in. Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Sections A and B Answer all questions. Question 13 has a choice of parts to answer. Write your answers in the spaces provided on the Question Paper. Electronic calculators may be used. You are advised to spend no longer than one hour on Section A and no longer than 45 minutes on Section B. At the end of examination fasten all your work securely together. The number of marks is given in the brackets [ ] at the end of each question or part question. Examiner’s Use Paper 1 Section A 1 2 3 4 5 6 7 8 9 10 11 12 Section B 13 14 15E 15O Total 120 % This document consists of 26 printed pages and 2 blank pages. [Turn over

2023 Preliminary Examination Secondary 4 2 Nanyang Girls’ High School Physics II Section A (50 marks) Write your answers in the spaces provided. 1 A list of 8 physical quantities is shown below: length time energy force speed weight mass acceleration From the above list, (a) state all the derived quantities, ……………………………………………………………………………………………….…….. ………………………………………………………………………………………………..… [1] (b) state all the vector quantities, ……………………………………………………………………………………………….…….. ………………………………………………………………………………………………..… [1] (c) state a pair of physical quantities that have the same S.I unit (s), and write down the symbol of this unit(s). a pair of physical quantities: ……………………………………………………………… symbol of unit(s): ……………………………………………………………… [1]

2023 Preliminary Examination Secondary 4 3 Nanyang Girls’ High School Physics II [Turn over 2 Fig. 2.1 shows the speed-time graph for a car travelling along a straight horizontal road. Fig. 1.1 Fig. 2.1 (a) On Fig. 2.1, state the duration at which the car has a non-uniform deceleration. From t = to t = [1] (b) Calculate the deceleration of the car at t = 3.0 s. deceleration = ………...................................... [2] (c) Calculate the distance travelled by the car from t = 2.0 s to 4.0 s. distance = ………...................................... [2]

2023 Preliminary Examination Secondary 4 4 Nanyang Girls’ High School Physics II (d) Between t = 0 and t = 2.0 s, Newton’s first law