A) \[-7\text{ }J\]
B) 7 J
C) 10 J
D) \[-10\text{ }J\]
Correct Answer: B
Solution :
\[W=\overrightarrow{F}.\overrightarrow{r}=(5\hat{i}+3\hat{j}).(2i-\hat{j})\] \[W=7J\]You need to login to perform this action.
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