Suppose `veca` is a vector of magnitude 4.5 unit due north. What is the vector a. `3veca, b -4 veca`?

Suppose veca is a vector of magnitude 4.5 unit due north. What is the vector 3veca

Suppose veca is a vector of magnitude 4.5 unit due north. What is the vector -4 veca ?

If vecA is a vector of magnitude 4 units due east. What is the magnitude and direction of a vector -4vecA ?

vec A is a vector of magnitude 2.7 units due east . What is the magnitude and direction of vector 4 vecA ?

vec A is a vector of magnitude 2.7 units due east . What is the magnitude and direction of vector 4 vecA ?

If veca is a nonzero vector of magnitude 'a' and lambda a nonzero scalar, then lambdaveca is unit vector if:

If veca,vecb and vecc are three vectors of which every pair is non colinear. If the vector veca+vecb and vecb+vecc are collinear with the vector vecc and veca respectively then which one of the following is correct? (A) veca+vecb+vecc is a nul vector (B) veca+vecb+vecc is a unit vector (C) veca+vecb+vecc is a vector of magnitude 2 units (D) veca+vecb+vecc is a vector of magnitude 3 units

If veca,vecb and vecc are three vectors of which every pair is non colinear. If the vector veca+vecb and vecb+vecc are collinear with the vector vecc and veca respectively then which one of the following is correct? (A) veca+vecb+vecc is a nul vector (B) veca+vecb+vecc is a unit vector (C) veca+vecb+vecc is a vector of magnitude 2 units (D) veca+vecb+vecc is a vector of magnitude 3 units

If veca and vec b are unit vectors, then what is the angle between veca and vecb for sqrt3 veva - vecb to be a unit vectors ?

If veca , vecb are unit vectors such that the vector veca + 3vecb is peependicular to 7 veca - vecb and veca -4vecb is prependicular to 7 veca -2vecb then the angle between veca and vecb is