A) ? 2
B) 1/2
C) 6
D) 2
Correct Answer: D
Solution :
\[W=\overrightarrow{F}.\overrightarrow{s}=(6\hat{i}+2\hat{j}-3\hat{k}).(2\hat{i}-3\hat{j}+x\hat{k})=0\] \[12-6-3x=0\] Þ \[x=2\]You need to login to perform this action.
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