2023 HCI Prelim P2 QP

This document consists of 26 printed pages. HWA CHONG INSTITUTION JC2 Preliminary Examination Higher 1 CANDIDATE NAME CT GROUP 22S CENTRE NUMBER INDEX NUMBER PHYSICS Paper 2 Structured Questions Candidates answer on the Question Paper. No Additional Materials are required. 8867/02 13 September 2023 2 hours READ THESE INSTRUCTIONS FIRST Write your Centre Number, index number and name in the spaces at the top of this page. Write in dark blue or black pen on both sides of the paper. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. The use of an approved scientific calculator is expected, where appropriate. For Examiner’s Use Paper 2 Section A 1 9 2 11 3 16 4 12 5 12 Section B 6 20 7 20 Deductions Total 80 Section A Answer all questions. Section B Answer any one question. The number of marks is given in brackets [ ] at the end of each question or part question. You are reminded of the need for good English and clear presentation in your answers.

2 © Hwa Chong Institution 2023 8867 / JC2 Preliminary Examination Data Formulae speed of light in free space, c = 3.00  10 8 m s 1 elementary charge, e = 1.60  10 19 C unified atomic mass constant, u = 1.66  10 27 kg rest mass of electron, me = 9.11  10 31 kg rest mass of proton, mp = 1.67  10 27 kg the Avogadro constant, NA = 6.02  10 23 mol 1 gravitational constant, G = 6.67  10 11 N m 2 kg 2 acceleration of free fall, g = 9.81 m s 2 uniformly accelerated motion resistors in series resistors in parallel s = ut + 2 1 at2 v 2 = u 2 + 2as R = R1 + R2 + . . . 1/R = 1/R1 + 1/R2 + . . .

3 © Hwa Chong Institution 2023 8867 / JC2 Preliminary Examination Section A Answer all the questions in this section. 1 (a) Soft drink cans are being packed into a cubic crate of volume 1.0 m3. (i) Estimate the volume of a soft drink can. volume of a soft drink can = ……………… cm3 [1] (ii) Estimate the volume of empty space in a 1 .0 m3 cubic crate filled with the maximum number of soft drink cans. volume of empty space = ……………… m3 [3]

4 © Hwa Chong Institution 2023 8867 / JC2 Preliminary Examination (b) As part of an advertising campaign, a sports car and a jet fighter will race over a straight 2.0 km track. The velocity -time graphs of both the ca r and the aircraft are shown in Fig. 1.1. The car maintains a constant acceleration of 9.0 m s -2 throughout the race while the jet fighter experiences an accelerati