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A bird moves with velocity 20m/s in a di...

A bird moves with velocity 20m/s in a direction making an angle of `60^(@)` with the eastern line and `60^(@)` with the vertical upward. Represent the velocity vector in rectangular form.

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SL ARORA-Motion in a Plane-Example
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  2. If vec(A) = 3hati +4hatj and vec(B) = 7 hat I +24 hatj, find a vector ...

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  3. A bird moves with velocity 20m/s in a direction making an angle of 60^...

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  4. One of the rectangular components of a velocity of 80 kmh^(-1) is 40 k...

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  5. A force is inclined at 60^(@) to the horizontal. If its rectangular co...

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  6. An aeroplane takes off at angle of 30^(@) to the horizontal. If the co...

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  8. Two billiard balls are rolling on a flat table. One has the velocity c...

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  9. Find the angle between the vertors vec(A) = hati + 2hatj - hatk and ve...

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  10. Prove that the vectors vec(A) = hati +2 hatj +3hatk and vec(B) = 2hati...

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  11. Two vector vec A = 5hati+7hatj-3hatk and vec B=2hati+2hatj-alphahatk a...

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  12. If the magnitudes of two vectors are 3 and 4 and their scalar product ...

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  13. A body constrained to move along the z-axis of a co-ordinate system is...

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  14. A force of 7 hati+ 6 hatk newton makes a body move on a rough plane wi...

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  15. Three vectors vec(A),vec(B) and vec(C) are such that vec(A) = vec(B)+v...

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  16. If |vec A + vec B|=|vec A-vecB|, finf the angle between vec A and vec ...

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  17. If vector P, Q and R have magnitude 5,12,and 13 units and vec(P)+vec(Q...

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  18. Determine the angles which the vector vec(A) = 5 hati + 0 hatj +5hat...

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  19. If unit vectors hat(a) and hat(b) are inclined at angle theta, then pr...

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