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If vecv=(3hati+2hatj+6k) m/s and m=(2)/(...

If `vecv=(3hati+2hatj+6k)` m/s and `m=(2)/(7)kg` then find kinetic energy `(i.e. (1)/(2)mv^(2))`

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ALLEN -RACE-Basic Maths (VECTORS)
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  5. If vecv=(4hati+3hatj+5k) m/s and m=(2)/(7)kg then find kinetic energy ...

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  6. If vecP=Kvec(Q) (Here K is constant) then :-

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  7. The dot product of two vectors of magnitudes 3 units and 5 units canno...

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  8. If vecA=2hati+3hatj-hatk and vecB=-hati+3hatj+4hatk then projection of...

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  9. If |hatAxxhatB|=-sqrt(3)hatA.hatB, then |hatA-hatB|=…………………..

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  10. Find the torque of a force vecF=-3hati+hatj+5hatk acting at the point ...

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  11. If the position vector vecr of a point is (hati+2hatj+3hatk)m and the ...

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  12. The angle made by the vector vecA=hati+hatj with x-axis is

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  13. Correct relation is :

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  14. Two vectors vecA=3hati+2hatj+hatk" and "vecB=5hatj-9hatj+Phatk are per...

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  15. If the vectors (hati+hatj+hatk) and 3 hati form two sides of a triangl...

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  16. The vector projection of a vector 3hat(i)+4hat(k) on y-axis is

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  17. Consider two vectors vecF(1)=2hati+5hatk and vecF(2)=3hatj+4hatk. The ...

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  18. When vecA.vecB=-|vecA||vecB|, then :-

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  19. The component of vector A=a(x)hati+a(y)hatj+a(z)hatk and the directioi...

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  20. (vecA+2vecB).(2vecA-3vecB):-

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