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Find the sum of the vectors 10hatj + 6...

Find the sum of the vectors ` 10hatj + 6hatj and 4hatj - 2hatj`

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The correct Answer is:
`14hati + 4hatj` , magnitude = 14.56 , at an angle of ` 15. 94^(@)` with x-axis .
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AAKASH INSTITUTE-MOTION IN A PLANE-Try yourself
  1. What is the resultant of unit vector s hatj and hatk ? [ Hint : ...

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  2. A particle lies in space at point ( 2,3,4) find the magnitude of its...

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  3. Find the sum of the vectors 10hatj + 6hatj and 4hatj - 2hatj

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  4. The vectors are given below veca = hatj + 2hatj + 3hatk vecb = 2h...

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  5. Rain is falling at the speed of 25sqrt3 m//s vertically. The wind bl...

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  6. Two vectors having magnitude 12 and 13 are inclined at and angle 45^(@...

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  7. A resultant of two vectors makes 30^(@) with one vector and 45^(@) ...

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  8. The velocity of an object is given by vecv = ( 6 t^(3) hati + t^(2) ...

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  9. The velocity (in m/s) of an object changes from vecv(1) = 10 hati + ...

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  10. The position of an object is given by vecr= ( 9 thati + 4t^(3)hatj) ...

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  11. The position of an object changes from vecr = ( 2hati + hatj) " m to ...

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  12. The velocity of an object at t =0 is vecv(0) =- 4 hatj m/s . It mov...

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  13. An object starts from rest, and moves under the acceleration veca = 4...

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  14. A boat is moving with a velocity 3hati - 4hatj w.r.t ground. The water...

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  15. A boat is moving towards east velocity 4 m/s w.r.t still water and riv...

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  16. Rain is falling vertically with a speed of 35 m s^(-1) . A woman rides...

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  17. A ship is steaming towards east with a speed of 8 m/s. A women runs ac...

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  18. A boat stems in a river with velocity 2hati + hatj with respecitve t...

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  19. A bus appears to move northwards at a speed of 20sqrt3 " km h"^(-1) ...

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  20. Find the velocity of a projectile at the highest point, if it is proje...

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