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Kannan walked 10 km towards North. From there, he turned back and walked 6 km towards South. Then he walked 3 km towards East. How far was he from the starting point?
  • a)
    3 km
  • b)
    6 km
  • c)
    7 km
  • d)
    5 km
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Kannan walked 10 km towards North. From there, he turned back and wal...
From the figure, its clear that Kannan is 5 Km from the starting point.
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Kannan walked 10 km towards North. From there, he turned back and wal...
Solution:

To find the distance from the starting point, we need to find the net displacement of Kannan.

1. Displacement in the North direction:

Kannan walked 10 km towards the North direction.

2. Displacement in the South direction:

From there, he turned back and walked 6 km towards the South direction.

3. Displacement in the East direction:

Then he walked 3 km towards the East direction.

Now, let's combine all the displacements to find the net displacement of Kannan.

Net displacement = Displacement in North direction - Displacement in South direction + Displacement in East direction

Net displacement = 10 km - 6 km + 3 km

Net displacement = 7 km

Therefore, Kannan was 7 km away from the starting point.

Hence, the correct answer is option (d) 5 km.
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Kannan walked 10 km towards North. From there, he turned back and walked 6 km towards South. Then he walked 3 km towards East. How far was he from the starting point?a)3 kmb)6 kmc)7 kmd)5 kmCorrect answer is option 'D'. Can you explain this answer?
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