SOLUTION: If 1/v+1/u=1/f, express v in terms of u and f Now calculate the value of v when f=15 and u=40

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Question 178703: If 1/v+1/u=1/f, express v in terms of u and f
Now calculate the value of v when f=15 and u=40
Answer by HyperBrain(694) About Me  (Show Source):
You can put this solution on YOUR website!
1%2Fv+%2B+1%2Fu=1%2Ff
1%2Fv=1%2Ff+-+1%2Fu
1%2Fv=%28u-f%29%2Fuf
v=uf%2F%28u-f%29
v=(40-15)/(15*40)=25/600=1/24
//You may contact me at adrianvidal07@hotmail.com
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