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Jaggi starts walking towards North from a point ' S ' and after walking 15 m turns to his left and walks 10 m , again he walks 10 m turning to his lef
Question

Jaggi starts walking towards North from a point ' S ' and after walking 15 m turns to his left and walks 10 m , again he walks 10 m turning to his left and finally walks 22 m turning to his left and reaches a point ' Q '. How far and in which direction is he from the point ' S '?

A.

57 m North West

B.

15.6 m North-East

C.

17 m North

D.

13 m North-East

Correct option is D

  1. Initial Position (S):Jaggi starts at SSS and walks 15 m North.

    • New position: (0,15)(0, 15)(0,15) relative to S(0,0)S (0, 0)S(0,0).
  2. Turn Left and Walk 10 m:Turning left from North means he now moves West.

    • New position: (−10,15)(-10, 15)(10,15).
  3. Turn Left Again and Walk 10 m:Turning left from West means he now moves South.

    • New position: (−10,5)(-10, 5)(10,5).
  4. Final Turn Left and Walk 22 m:Turning left from South means he now moves East.

    • New position: (12,5)(12, 5)(12,5).

Distance from Starting Point SSS:

Using the distance formula:

Distance=(x2−x1)2+(y2−y1)2\text{Distance} = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}Distance=(x2x1)2+(y2y1)2

Substituting:

Distance=(12−0)2+(5−0)2=122+52=144+25=169=13m\text{Distance} = \sqrt{(12 - 0)^2 + (5 - 0)^2} = \sqrt{12^2 + 5^2} = \sqrt{144 + 25} = \sqrt{169} = 13 \, \text{m}Distance=(120)2+(50)2=122+52=144+25=169=13m


Direction:

The final position is (12,5)(12, 5)(12,5). To find the direction relative to SSS:

Angle with East axis (tanθ)=Opposite side (y)Adjacent side (x)=512.\text{Angle with East axis (tan} \, \theta) = \frac{\text{Opposite side (y)}}{\text{Adjacent side (x)}} = \frac{5}{12}.Angle with East axis (tanθ)=Adjacent side (x)Opposite side (y)=125.

This indicates the direction is North-East.


Final Answer:

D) 13 m North-East

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