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The angle between two vectors -3hati+6ha...

The angle between two vectors `-3hati+6hatkand2hati+3hatj+hatk` is

A

`0^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

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FULL MARKS-KINEMATICS-ADDITIONAL QUESTIONS SOLVED (I.MULTIPLE CHOICE)
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  11. If |vecP+vecQ|=|vecP|-|vecQ|, the the angle between the vectors vecPan...

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  17. The product of mass and velocity of a particle is

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  19. The area under the force, time graph is

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  20. The unit of momentum in SI system is .

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