2022 RSS Phy Prelims P1

1 Riverside Secondary School 6091/01/4E/PRELIM/2022 [Turn over RIVERSIDE SECONDARY SCHOOL SUBJECT : Physics SUBJECT CODE & PAPER : 6091/01 LEVEL/STREAM : 4 Express DURATION : 1 hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name and index number on the Answer Sheet in the spaces provided. There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the answer sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this question paper. The use of an appropriate scientific calculator is expected, where appropriate. _______________________________________________________________________ This question paper consists of 20 printed pages. 1 Which of the following can the time 12 h 15 min be written as? 3 cm NAME: NO: CLASS: PRELIMINARY EXAMINATION 2022

2 Riverside Secondary School 6091/01/4E/PRELIM/2022 [Turn over A 12.15 h B 7.35 x 102 min C 45.1 ks D 10 800 s 2 The diagram shows four target boards used in a shooting competition. Which one indicates a small random error but large systematic error? key bullet hole A B C D

3 Riverside Secondary School 6091/01/4E/PRELIM/2022 [Turn over 3 Vernier calipers are used to measure the thickness of a notebook. Diagram 1 shows the caliper reading when the jaws are closed. Diagram 2 shows the caliper reading when the notebook is between the jaws. diagram 1 diagram 2 What is the thickness of the notebook? A 3.15 cm B 3.23 cm C 3.25 cm D 3.34 cm 4 A stone falling through the air has reached terminal velocity. Which row shows the acceleration and the velocity of the stone? acceleration of the stone velocity of the stone A zero constant B 10 m/s2 constant C zero increasing D 10 m/s2 increasing 5 A bus travels north at a velocity of 25 m/s along a straight, horizontal track. At time t = 5.0 s, its velocity starts to change and its acceleration is -2.0 m/s2. How is the bus moving at time t = 15.0 s? A travelling south with decreasing speed B travelling south with increasing speed C travelling north with decreasing speed

4 Riverside Secondary School 6091/01/4E/PRELIM/2022 [Turn over D travelling north with increasing speed 6 In which situation is the resultant force on the moving body equal to zero? A a rock falling freely on the Moon B a car turning a corner at constant speed C a train going up a hill along a straight path at constant speed D a bicycle decelerating along a straight horizontal track 7 A rectangular board can be hung on the wall in three different w