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If veca=4hati+6hatj and vecb=3hati+4hatk...

If `veca=4hati+6hatj and vecb=3hati+4hatk` find the projection vector `veca` to `vecb`.

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The components of vector `veca long vecb` is `((veca.vecb)vecb)/(|vecb|^(2))=18/25(3hati+4hatk)`
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