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8. The sum of two rational numbers is - Ifore
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of the rational numbers is find the other
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(A) its not meaningful, because only the scalars of same dimensions or having same unit can be added
(B) naah !! Its not possible , because vector can be added with vector quantity.
(C) yeah !! this is possible. When a scalar multiply with a vector we get a vector quantity which direction depends upon sign of scalar quantity .
(D) yes !! Its true . Example : mass = volume x density
We know, volume and density both are scalar quantities and mass is product of it .
Hence multiplication of two scalar quantity must be scalar quantity.
(E) No , it's not a meaningful . because only vectors having same dimensions and unit can be added.
(F) yeah ! It's meaningful . we can be added component of vector to same vector. Due to both have same dimensions.
Read more on Brainly.in - https://brainly.in/question/1382624#readmore
(B) naah !! Its not possible , because vector can be added with vector quantity.
(C) yeah !! this is possible. When a scalar multiply with a vector we get a vector quantity which direction depends upon sign of scalar quantity .
(D) yes !! Its true . Example : mass = volume x density
We know, volume and density both are scalar quantities and mass is product of it .
Hence multiplication of two scalar quantity must be scalar quantity.
(E) No , it's not a meaningful . because only vectors having same dimensions and unit can be added.
(F) yeah ! It's meaningful . we can be added component of vector to same vector. Due to both have same dimensions.
Read more on Brainly.in - https://brainly.in/question/1382624#readmore
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