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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 3 - Motion in a Plane > i and j are unit vectors along x- and y-axis respectively. What is the magnitude and direction of the vectors i + j and i− j ? What are the components of a vector A = 2i and 3j along the directions of i + j and i – j ? [You may use graphical method]

i and j are unit vectors along x- and y-axis respectively. What is the magnitude and direction of the vectors i + j and i− j ? What are the components of a vector A = 2i and 3j along the directions of i + j and i – j ? [You may use graphical method]

Rain is falling vertically with a speed of 30ms^−1 . A woman rides a bicycle with a speed of 10ms^−1 in the north to south direction. What is the direction in which she should hold her umbrella ?