alleryStart learning →If a vector has length 5, what is the length of 2a?
A7
B25
C2.5
D10
Answer & Solution
Correct answer: D. 10
Multiplying by 2 stretches the vector by a factor of 2, so the length is 10.
Keep practising Euclidean Vector
Browse all Euclidean Vector questions for AP EAMCET, or explore more Mathematics topics.
Related questions
In pure mathematics, a vector is defined more generally as an element of what?In a pseudo-Euclidean space, which values can a vector's squared length take?A force of 15 N pointing to the right is written -15 N when the positive axis points whereWhat do the standard basis vectors e1, e2, e3 represent geometrically?How is a unit vector usually marked in notation?The dot product is also commonly called which of these?The scalar triple product equals which determinant in components?The scalar triple product of three vectors is also known by which name?