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Consider two vector vec(F1)=2hat(j)+5hat...

Consider two vector `vec(F_1)=2hat(j)+5hat(k)and vec(F_2)=3hat(j)+4hat(k).` The magnitude of the scalar product of these vector is

A

20

B

23

C

`5sqrt33`

D

26

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The correct Answer is:
D
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TARGET PUBLICATION-SCALARS AND VECTORS-Competitive Thinking
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  2. If Vectors vec(A)= cos omega t hat(i)+ sin omega t hat(j) and vec(B)=(...

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  6. A body of mass 1 kg begins to move under the action of a time dependen...

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  7. When vec(A)*vec(B)=-|vec(A)||vec(B)|, then

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  18. If vec(A)xxvec(B)=vec(B)xxvec(A), then the angle between vec(A) and ve...

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