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Ivenika [448]
3 years ago
8

Find the distance (P1, P2) between the points P, and P2:

Physics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the concept of distance formula.

Distance formula ==>

\sqrt{( {x2 - x1})^{2}  + ( {y2 - y1})^{2} }

so applying this we get as,

D = underoot (9)^2 + (-5)^2

==> D = 10.29 units

distance = 10.29 units

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what is the focalength of the combination of two thin renses of power -5D and -2D placeci in contact with each other?​
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Answer:

f = - 0.143 m = - 14.3 cm

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First, we will calculate the power of the combination of lenses:

P = P₁ + P₂

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Now, the focal length can be given as:

f = \frac{1}{P} \\\\f = \frac{1}{-\ 7\ D} \\\\

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6 0
3 years ago
If the distance between two objects is increased by a factor of 3 (tripled), how will this affect Fg?
scoray [572]

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3 0
2 years ago
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