can anyone tell the correct answer...
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w=F.ds
hence ds=5i+4j
you can easily find the work done
w=(-12i+5j).(5i+4j)
=-60+20
=-40 is the required ANSWER
hence ds=5i+4j
you can easily find the work done
w=(-12i+5j).(5i+4j)
=-60+20
=-40 is the required ANSWER
aparna64:
No answer is 73 given in book
yes there r 4 option in book . a. 153 b.80 c.73 d. 7
i was getting 80
but answer is 73
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