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A particle is constrained to move on a straight-line path. It returns to the starting point after 10 sec. The total distance covered by the particle during this time is 30 m. Which of the following statements about the motion of the particle is true?  

  • a)
    Displacement of the particle is zero.

  • b)
    Average speed of the particle is 3 m/s.

  • c)
     Both  (a) and  (b).

  • d)
    Displacement of the particle is 30 m.

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A particle is constrained to move on a straight-line path. It returns ...
  • Displacement of the particle will be zero because it comes back to its starting point.
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Most Upvoted Answer
A particle is constrained to move on a straight-line path. It returns ...
Explanation:


Displacement:


- Displacement is the shortest distance between the initial and final positions of a moving particle in a particular direction.


- Since the particle returns to its starting point, the displacement of the particle is zero.


Average Speed:


- Average speed is defined as the total distance covered by the particle divided by the time taken.


- Here, the total distance covered by the particle is given as 30m and the time taken is 10 seconds.


- So, the average speed of the particle is 3 m/s.


Conclusion:


- Both the statements (a) and (b) are true.


- Hence, the correct answer is option (C).
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A particle is constrained to move on a straight-line path. It returns to the starting point after 10 sec. The total distance covered by the particle during this time is 30 m. Which of the following statements about the motion of the particle is true? a)Displacement of the particle is zero.b)Average speed of the particle is 3 m/s.c)Both (a) and (b).d)Displacement of the particle is 30 m.Correct answer is option 'C'. Can you explain this answer?
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