and are unit vectors along x-axis and y-axis. find the magnitude and direction of

Asked by  | 22nd Jul, 2010, 07:57: PM

Expert Answer:

(i) i + j, it's magnitude is √(12 + 12) = √2, and it makes an angle tan-1 1/1 = 45 with x axis.
(ii) In this case also the magnitude is same, but it makes an angle of 135 = 90 + 45 with x axis.
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Answered by  | 23rd Jul, 2010, 11:52: AM

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