1) Which of the following statements is TRUE about an object in uniformly accelerated motion? I. Velocity is constant. II. Acceleration is not zero. III. Acceleration changes slowly. IV. Velocity changes at a constant rate. a) I and II b) III and IV c) I and III d) II and IV 2) What is the relationship between the angle of release and the height and range of the projectile? a) The greater the angle of release, the longer the range of the cannon ball b) The lesser the angle of release, the longer the range of the cannon ball c) The greater the angle of release, the higher the projectile d) The lesser the angle of release, the higher the projectile 3) Suppose you are in a garden watering the plants, at what angle will you aim the water hose to let the water reach farthest? a) 300 b) 450 c) 600 d) 750 4) When comparing the momentum of two moving objects, which of the following is correct? a) The more massive object will have less momentum if its velocity is greater. b) The less massive object will have less momentum if the velocities are the same. c) The object with higher velocity will have less momentum if the masses are equal. d) The more massive object will have less momentum if the velocities are the same. 5) A billiard ball collides with a stationary identical billiard ball in an elastic head-on collision. After the collision, which of the following is TRUE about the first ball? a) It maintains its initial velocity b) It has one-half its initial velocity c) It comes to rest after the collision d) It moves in the opposite direction 6) A picture frame falls off the wall. Considering the presence of air, how does the kinetic energy (KE) just before striking the floor compared to the potential energy (PE) at its hanging point? a) KE is equal to PE b) KE is greater than PE c) KE is less than PE d) It is impossible to tell. 7) Troy stretched a rubber band five times. Afterwards, he noticed that the rubber band felt warm. Did the rubber band gain heat? a) No, it is not evident b) No, the temperature is not related to a gain or loss of heat. c) Yes, the rubber band felt warm means it gained heat. d) Yes, the rubber band felt warm means it lost heat. 8) Which of the following refers to the function of heat engine? a) It converts chemical energy into mechanical energy. b) It converts thermal energy to mechanical energy. c) It converts mechanical energy to chemical energy. d) It converts thermal into chemical energy. 9) How does water from the deep wells move upward? a) It occurs naturally. b) It uses a water heat pump. c) It is a spontaneous process. d) It flows from higher temperatures to a cooler place temperature. 10) When you turn on the switch of the light when you reach home, light energy is generated. Which of the following is the correct path of electrical power that can be traced back to the source? a) Distribution substations, transmission substations, power plants , residences b) Power plant, transmission substations, distribution substations, residences c) Residences, distribution substations , power plants , transmission substations d) Transmission substations,  power plants , residences , distribution substations

DAT 2022 Review for G9 Science in Quarter 4

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