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A golfer takes his ball into the hole in...

A golfer takes his ball into the hole in the three strokes.The first stroke displaces the ball 4 m north , the second stroke 2 m south-east, and the third stroke 1 m south-west.What displacement would have been needed to get the ball into the hole in the first stroke ?

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The correct Answer is:
2.01 m, `69^@18'` north of east
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NN GHOSH-VECTOR AND SCALARS-All Questions
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  2. If veca=3veci-2vecj and vecb=2veci+3vecj, calculate (i)veca+vecb , (ii...

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  3. Calculate the angle between the vectors veca=3veci+2vecj and vecb=2v...

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  4. If vecA+vecB=vecA-vecB then which of the following is correct ? (i)v...

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  5. Show that the vectors veca=2veci+3vecj and vecb =6 veci-4vecj are at r...

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  6. Find the dot and cross product of the vectors veca=2veci-3vecj+veck ...

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  7. Show that numerically magnitude of a vector product gives the area of ...

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  8. The coordinates of the initial point of a vector are (2,3) and those o...

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  9. If veca+vecb=vec c and a+b=c, what is the angle between veca and vecb ...

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  10. Find the equation of a line which passes through a given point of posi...

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  11. A particle of mss m=2 kg moves with velocity vecv=2veci+2vecj-veck.Fin...

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  12. The velocity of a particle is vecv=3hati+2hatj+3hatk.Find the vector c...

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  13. The resultant of two forces vecP and vecQ acting at O at vecR . If any...

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  14. veca+veca=veca is (i) always possible, (ii)never possible, (iii)possib...

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  15. veca+vecb=vec c and |veca|=|vecb|=|vec c| This is (i)impossible (ii)...

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  16. If veca+vecb=vec c and c=sqrt(a^2+b^2). What is the angle between veca...

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  17. The coordinates of the initial point of a vector are (1,2) and those o...

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  18. If veca=2veci+3vecj and vecb=veci+vecj, find (i)veca.vecb, (ii)vecaxxv...

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  19. If veca=2veci-3vecj+2veck and vecb=veci+2vecj+veck, find (i)veca.vecb,...

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  20. If veca=x1veci+y1vecj and vecb=x2veci+y2vecj, find the condition that ...

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  21. If veca=4veci-3vecj and vecb=6veci+8vecj, find the magnitude and direc...

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