Welcome to your Quantities, Mass and Weight(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. Amanda walks 1km due east and then 1km due north, her displacement is 1km N15Ā°E ā2 km N45Ā°E 1km N30Ā°E ā2 km N60Ā°E 2km N75Ā°E 2. Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule? 35.00mm 35.0mm 35.01mm 35mm 3. I. Diameter of a small ball bearingII. Thickness of a piece of paperIII. Diameter of a measuring cylinderIV. Length of a piece of wireWhich of the above can be measured using a micrometer screw gauge? I, II and IV Only II and III Only III and IV Only I and II Only 4. Which of the following sets consist entirely of a scalar quantity? Speed, Momentum & Distance Displacement, Electric field & Energy Impulse, Mass & Magnetic flux Pressure, Work & Electric potential 5. The velocity v of a particle in time tĀ is given by the equationv = 10 + 2tĀ². Find the instantaneous acceleration after 5 seconds. 15m/sĀ² 10m/sĀ² 60m/sĀ² 20m/sĀ² 6. The fundamental SI of material quantity is the pound mole newton kilogram joule 7. The thickness of the central portion of a thin converging lens can be determined very accurately by using? A micrometer screw gauge Vernier calliper A microscope A telescope 8. We can express gravitational acceleration in kilograms per pound kilograms per meter meters meters per second squared 9. The diagram below shows two vectors at right angles to each other. The value of the resultant vector is 11.0N 14.0N 10.0N 12.0N 10. Which of the following is not a vector quantity? Weight Acceleration Displacement Force Altitude 11. In the United States of America, people often talk about British thermal units per hour (Btu/h) to quantify heat of fusion power energy specific heat condensation rates 12. Which of the following is a fundamental unit? Ampere Newton Watt Joule 13. Which of the following unit is equivalent to Kgm/s? Nms Ns N/s J/s 14. Which of the following is a vector quantity? Current density Current Mass Time 15. Which of the following is not a fundamental S.I unit? Meter Ampere Radian Second Kelvin 16. An object moves 4m eastwards and then 3m southwards. Its displacement from its original position is 7m SE 1m SE 12m SE 5m SE 17. Which of the following nonstandard ''units'' could we theoretically use to express the frequency of a sound wave? the British thermal unit per meter the kilogram-meter per minute the cycle per minute the hertz per minute the joule per minute 18. Which of the following set of physical quantities are vectors? Electric field potential & Electric field intensity Force ratio & Velocity ratio Friction & Momentum Energy & Power Capacitance & Inductance 19. We can use the Newton to quantify an object's potential energy gravitation weight kinetic energy acceleration 20. The distance x, m traveledĀ by an object in time, t seconds is described by the equation x = 10 + 12tĀ².Find the average speed of the particle between the time interval, t = 2s and t = 5s. 60m/s 108m/s 72m/s 84m/s 21. In the diagram, P, Q & R are vectors. Which of the following options gives the correct relationship between the vectors? P = R - Q P = Q + R P + Q + R = 0 P = Q - R 22. If the tape of a ticker-timer shows dots equally spaced at 1cm apart and the vibrator makes 50 dots per second, what is the speed of the tape in meter per second? 50m/s 0.1m/s 5.0m/s 0.02m/s 0.5m/s 23. Which of these quantities are vectors?I. MomentII. Temperature gradientIII. TemperatureIV. Density II & III Only II, III & IV Only I & IV Only I & II Only 24. A vector of magnitude 5 units in the north direction is combined with another vector to give zero resultant. The other vector is 5 units in the east direction 5 units in the west direction 5 units in the south direction 5 units in the north direction 25. A truck travels 10km northwards, 4km eastwards, 6km southwards and 4km westwards to arrive at a point T. What is the total displacement? 4km north 6km south 4km east 6km north 1 out of 25 Time is Up! Time's up
