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0 votes
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in Kinematics by (48.2k points)
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Identify the unit vector in the following:

(a) \(\hat i + \hat j\)

(b) \(\frac{\hat i}{\sqrt2}\)

(c) \(\hat k - \frac{\hat j}{\sqrt 2}\)

(d) \(\frac{\hat i + \hat j}{\sqrt2}\)

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1 Answer

+1 vote
by (48.6k points)

Correct answer is (d) \(\frac{\hat i + \hat j}{\sqrt2}\)

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