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FrozenT [24]
3 years ago
5

A chef, wanting to create a device to better cover food in olive oil creates a sprayer that charges the oil positively before sp

raying it. If each drop of oil were positively charged, which diagram best shows what effect this will have on the oil?

Physics
1 answer:
irakobra [83]3 years ago
3 0

Answer:

D I guess

Explanation:

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1) Size of the image: 2 cm

In order to calculate the size of the image, we can use the following proportion:

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where

p = 80 m is the distance of the tree from the pinhole

q = 20 cm = 0.2 m is the distance of the image from the pinhole

h_o = 8 m is the heigth of the object

h_i is the height of the image

By re-arranging the proportion, we find

h_i = \frac{h_o \cdot q}{p}=\frac{(8 m)(0.2 m)}{80 m}=0.02 m=2 cm


2) Magnification: 0.0025

The magnification of a camera is given by the ratio between the size of the image and the size of the real object:

M=\frac{h_i}{h_o}

so, in this problem we have

M=\frac{0.02 m}{8 m}=0.0025


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