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Find the angel between the vectors overl...

Find the angel between the vectors `overline A and overline B`,where
`overlineA=hati+2 hatj-2hatk`
`overline B=2hati-4hatj-4hatk`

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Find a unit vector perpendicular to each of the vectors veca+vecb and veca-vecb , where veca=3hati+2hatj+2hatk and vecb=hati+2hatj-2hatk .

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Find | veca xx vecb| where veca = 3 hati - hatj + 2 hatk and vecb = 2 hat i + 3 hatj - 4hatk.

Find the unit vector in the direction of the vector veca+vecb where veca =2hati - hatj +2 hatk and vecb = - hatj +hatj- hatk

Find the angle between the planes whose vector equation are given by vecr. (2 hati - hatj + 3 hatk) = 4 and vecr . (hati - 2 hatj + 4 hatk) =1.

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What is the angle between vectors veca = hati - hatj + hatk and vecb = hati + hatj - hatk ?

Find the acute angle between the planes whose vector equations are vecr. (2 hati + 2 hatj - 3 hatk)= 5 and vecr. (3 hati - 3 hatj + 5 hatk) = 3.

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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. Find the angel between the vectors overline A and overline B,where ov...

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  2. What is meant by power? How it is related to work?

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  3. Define energy. It is a scaler or vector quantity?

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  4. Define work.What is its dimmensional formula.

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  5. What is the work done by the tension of the string in a simple pendulu...

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  6. A man holds a 10 kg box 2m above the ground.What is the work done?

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  7. What is the orientation of force to displacement so that work done is ...

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  8. What is the work done on a body of mass m moving around a horizontal c...

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  9. what are the characteristic of an elastic collision?

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  10. Define the co-efficient of restitution.

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  11. What is perfectly inelastic collision?

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  12. What is elastic potential energy?

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  13. Can kinetic energy be negative?

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  14. Can a body posses KE without Momentum?

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  15. Can a body posses momentum without KE?

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  16. Does a man sitting in a moving train posses KE?

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  17. Give an example where work done by a force is zero.

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  18. What is work? It is a scalar or a vector? What do you mean by watt?

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  19. Show that power= force X velocity

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  20. What is potential energy ?How is it measured?

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  21. Define Kinetic energy of a body.Derived an expression for the K.E of a...

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