Welcome to your Quantities, Mass and Weight(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. A boat travels due east at a speed of 40m/s across a river flowing due south at 30m/s. What is the resultant speed of the boat?1.3m/s10m/s70m/s50m/s2. An example of scalar quantity isacceleration due to gravityvelocityweightelectric chargemomentum3. A truck travels 10km northwards, 4km eastwards, 6km southwards and 4km westwards to arrive at a point T. What is the total displacement?6km south4km north6km north4km east4. Which of the following readings cannot be determined with a meter rule?2.50cm2.56cm2.55cm2.00cm5. Which of the following nonstandard "units" could we theoretically use to express accumulated power consumption over time?the watt per minutegcm²/s²gcm/sthe joule/hourgcm6. When we talk about astronomical units, (AU) we talk abouttimedistancemasstemperature7. The power source of a ticker-timer vibrates 40 times in one second. If the ticker-timer made 200 dots during an experiment, determine how long the experiment lasted.45 seconds25 seconds5 seconds15 seconds8. Which of the following quantities are scalar?I. Electric potentialII. TorqueIII. MomentumIV. Kinetic EnergyI & IVII & IIIIII & IVI & II9. The physical quantity that has the same dimensions as impulse is?Surface tensionPressureEnergyMomentum10. Which of the following set of physical quantities are vectors?Friction & MomentumEnergy & PowerCapacitance & InductanceElectric field potential & Electric field intensityForce ratio & Velocity ratio11. In the diagram, P, Q & R are vectors. Which of the following options gives the correct relationship between the vectors?P = R - QP + Q + R = 0P = Q - RP = Q + R12. Which of the following nonstandard ''units'' could we theoretically use to express the frequency of a sound wave?the kilogram-meter per minutethe British thermal unit per meterthe cycle per minutethe joule per minutethe hertz per minute13. The distance x, m traveled by an object in time, t seconds is described by the equation x = 10 + 12t².Find the average speed of the particle between the time interval, t = 2s and t = 5s.84m/s72m/s108m/s60m/s14. Which of the following is a vector quantity?CurrentCurrent densityMassTime15. Which of the following parameters manifests itself as a vector quantity?massvelocitytemperaturevisible-light intensity16. The inner diameter of a small test tube can be measured accurately using?A micrometer screw gaugePair of dividersPair of vernier calliperMeter rule17. What is the reading of the vernier scale?1.28cm1.80cm1.97cm1.88cm18. Which of these quantities are vectors?I. MomentII. Temperature gradientIII. TemperatureIV. DensityI & II OnlyII, III & IV OnlyII & III OnlyI & IV Only19. Amanda walks 1km due east and then 1km due north, her displacement is1km N30°E√2 km N45°E√2 km N60°E2km N75°E1km N15°E20. Which of the following is not a vector quantity?AccelerationForceWeightAltitudeDisplacement21. A stream is flowing at 0.75m/s and a boat heading perpendicularly to the stream landed at the opposite bank at an angle 30°. Calculate the velocity of the boat?0.65m/s1.50m/s1.00m/s0.86m/s22. The diagram below represents a portion of vernier calliper. What is its reading?6.34cm7.09cm6.90cm7.10cm6.28cm23. Which of the followings are the correct S.I units of the quantities indicated?I. N (Force)II. N/m (Torque)III. Watt (Power)IV. Kgm/s² (Momentum)I, III & IV OnlyI & III OnlyI & II OnlyI, II & III Only24. An object moves 4m eastwards and then 3m southwards. Its displacement from its original position is12m SE5m SE7m SE1m SE25. In 3D space, we can define the magnitude of a vector in terms ofcelestial latitude & longitudethe length of the line segment representing itthe location of the coordinate originright ascension & declination26 out of 25Time is Up!
