Physics, asked by mugilanramesh711, 5 months ago

A force =(3ti + 5j) N acts on a body due to which its position varies as $ = (2t²î -5j). Work done by this force in first two seconds

Answers

Answered by Anonymous

1

Answer:

Explanation:

see subtitute t=2seconds

f=6i+5j

s=8i-5j

do dot product to get workdone

workdone=f.s

48-25=23

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