A) 100 J
B) 50 J
C) 200 J
D) 75 J
Correct Answer: A
Solution :
\[W=\overrightarrow{F}.(\overrightarrow{{{r}_{2}}}-\overrightarrow{{{r}_{1}}})=(4\hat{i}+\hat{j}+3\hat{k})(11\hat{i}+11\hat{j}+15\hat{k})\] \[W=44+11+45=100\,Joule\]You need to login to perform this action.
You will be redirected in
3 sec