A particle is moving with speed $6\,m/s$ along the direction of $\vec A = 2\hat i + 2\hat j - \hat k,$ then its velocity is
A particle is moving with speed $6\,m/s$ along the direction of $\vec A = 2\hat i + 2\hat j - \hat k,$ then its velocity is
- A
$(4\hat i + 2\hat j - 4\hat k)\,\,units$
- B
$(4\hat i + 4\hat j - 2\hat k)\,\,units$
- C
$(4\hat i + 4\hat j - 4\hat k)\,\,units$
- D
$(2\hat i + 4\hat j - 2\hat k)\,\,units$
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- [AIPMT 1997]
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