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wolverine [178]
3 years ago
10

Which form of energy does Theodore Roosevelt Lake have as the water collects in the

Physics
1 answer:
RSB [31]3 years ago
7 0
C. because the energy is potential
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17.4 cm

Explanation:

Power of lens = +1.75 diopters

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This is a convex lens as focal the diopter given is positive which makes the focal length positive. Image distance will be negative.

v = -25

\frac{1}{v}-\frac{1}{u}=\frac{1}{f}\\\Rightarrow \frac{1}{-25}-\frac{1}{u}=\frac{1}{\frac{400}{7}}\\\Rightarrow -\frac{1}{u}=\frac{7}{400}+\frac{1}{25}\\\Rightarrow \frac{1}{u}=-\frac{7}{400}-\frac{1}{25}\\\Rightarrow \frac{1}{u}=-0.0575\\\Rightarrow u=-17.4\ cm

∴ The new near point is 17.4 cm

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