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RELATIVE VELOCITY MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. A dog and a cat are about to fight, running towards each other, both at 12 m/s
  1.    0 m/s
  2.    6 m/s
  3.    12 m/s
  4.    24 m/s
 Discuss Question
Answer: Option D. -> 24 m/s
Question 12. A train is moving at a velocity of 15 m/s East
  1.    0 m/s
  2.    20 m/s
  3.    15 m/s
  4.    30 m/s
 Discuss Question
Answer: Option A. -> 0 m/s
Question 13. A boat heading north crosses a wide river with a velocity of 10
  1.    5 km/hr
  2.    11.18 km/hr
  3.    15 km/hr
  4.    30 km/hr
 Discuss Question
Answer: Option B. -> 11.18 km/hr
Question 14. The president’s airplane, Air Force One, flies at 250 m/s to the east (compared to the ground)
  1.    248 m/s
  2.    249 m/s
  3.    251 m/s
  4.    253 m/s
 Discuss Question
Answer: Option B. -> 249 m/s
Question 15. Observers using different ___________________ may measure different velocities for an object in motion
  1.    frame of reference
  2.    relatives of motion
  3.    projectile motions
  4.    constant velocity
 Discuss Question
Answer: Option A. -> frame of reference
Question 16. A clown fish is swimming at 8 m/s, a sea anemone is standing still
  1.    0 m/s
  2.    4 m/s
  3.    8 m/s
  4.    16 m/s
 Discuss Question
Answer: Option C. -> 8 m/s
Question 17. A dog is running at 12 m/s, a cat is running the opposite direction at 12 m/s
  1.    0 m/s
  2.    6 m/s
  3.    12 m/s
  4.    24 m/s
 Discuss Question
Answer: Option D. -> 24 m/s
Question 18. A woman on a ten-speed bicycle travels at 9 m/s relative to the ground as she passes a little boy on a tricycle going in the opposite direction
  1.    0 m/s
  2.    8 m/s
  3.    9 m/s
  4.    10 m/s
 Discuss Question
Answer: Option B. -> 8 m/s
Question 19. A 150 m long train moves towards south at a speed of 10 m/s
  1.    8 s
  2.    10 s
  3.    15 s
  4.    30 s
 Discuss Question
Answer: Option B. -> 10 s
Question 20. What method is used to find relative value for any vector quantity?
  1.    Vector sum
  2.    Vector difference
  3.    Vector multiplication
  4.    Vector division
 Discuss Question
Answer: Option B. -> Vector difference

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