If vecA=3hati+4hatjandvecB=7hati+24hatj,find a vector having the same magnitude as vecB and parallel to vecA.

If vecA=3hati+4hatjandvecB=7hati+24hatj,find a vector having the same

1.	If vecA=3hati+4hatjandvecB=7hati+24hatj,find a vector having the same magnitude as vecB and parallel to vecA.
Answer» Solution :`\|vecA\|=sqrt(3^(2)+4^(2))=5` also `\|vecB\|=sqrt(7^(2)+24^(2))=25` DESIRED VECTOR `=\|vecB\|hatA=25xx(3hatik+4hatj)/(5)=5(3hati+4hatj)=15hati+20hatj`.