1. Which of the following quantities has units of a velocity? (There are two answers) A) 10 km southwest C) 9.8 m/s downward D) 150 m³ B) -5.0 m/s 2. An object moving upward experiences an acceleration of +9.8 m/s². This means the object_ A) is traveling at 9.8 m/s B) travels 9.8 m in every second C) is increasing its velocity by 9.8 m/s every second D) is decreasing its velocity by 9.8 m/s every second 3. Which of the following is NOT possible? A) Velocity directed east and acceleration directed west B) Velocity directed east and acceleration directed east C) Velocity is constant, non-zero and changing acceleration D) Acceleration is constant, non-zero and changing velocity 4. When can the average velocity be equal to the average of the initial and final velocity? This can happen when A) the acceleration is constant. C) acceleration is constantly increasing B) the velocity is zero. D) acceleration is constantly decreasing 5. Two objects were dropped from the same height with an interval of one second. If there is no air Resistance, what can you say about the difference in their speed? A) increases C) remains constant B) decreases D) cannot be determined
1. Which of the following quantities has units of a velocity? (There are two answers) A) 10 km southwest C) 9.8 m/s downward D) 150 m³ B) -5.0 m/s 2. An object moving upward experiences an acceleration of +9.8 m/s². This means the object_ A) is traveling at 9.8 m/s B) travels 9.8 m in every second C) is increasing its velocity by 9.8 m/s every second D) is decreasing its velocity by 9.8 m/s every second 3. Which of the following is NOT possible? A) Velocity directed east and acceleration directed west B) Velocity directed east and acceleration directed east C) Velocity is constant, non-zero and changing acceleration D) Acceleration is constant, non-zero and changing velocity 4. When can the average velocity be equal to the average of the initial and final velocity? This can happen when A) the acceleration is constant. C) acceleration is constantly increasing B) the velocity is zero. D) acceleration is constantly decreasing 5. Two objects were dropped from the same height with an interval of one second. If there is no air Resistance, what can you say about the difference in their speed? A) increases C) remains constant B) decreases D) cannot be determined
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