Question

Multiple Choice: Read the statements carefully and choose the letter of the best answer. Write your answer before the number. 1. When is an object considered to be in motion? I. When its position changes with respect to a point of reference. II. When its distance changes with respect to a point of reference. III. When its direction changes with respect to a point of reference. A. I and II only B. I and III only C. II and II only D. I, II and III 2. Which of the following graphs shows that object's motion is accelerating? A. B. 3. Which of the following shows motion? A. A boy reading a book A girl staring the night sky B. 4. Which of the following refers to velocity? A . 3 m/s B . 8 m/s heading North For questions 5-6. A Physics teacher walks 5 m East, 3 m South, 5 m West, and finally 3 m 5. What was his total distance? A. 16 m B. 6 m 6. What was his total displacement? A. 12 m B. 6 m 7. Which of the following is TRUE about waves? A. carrier of energy B. carrier of partide of matter 8. Which material does sound travel the fastest? A. Solid B. Gas C. 4 m C. 4 m C. A man running 100meter dash D. A soldier guarding Rizal Monument C. 5 m/s ^ 2 D. 10 m N orth. D. 0 m D. 0 travel only in a solid C. D. travel faster in air than in water C. Liquid D. All the above 9. Which of the following types of waves can travel through a vacuum? A. slinky B. sound C. water wave D. electromagnetic 10. What makes electromagnetic waves different from mechanical waves? A. Electromagnetic waves need medium for propagation; mechanical vacuum waves travel through












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Answer 1

Answer:

1. all the three options

2.