Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , thenPhysics A. B is anti-parallel to A B. B is a negative vector of A C. B has a negative magnitude D. B is perpendicular to A
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is