3 years ago

Is it ok as a headline story

Physics

2 answers:

katen-ka-za [31]3 years ago

8 0

Ya it looks great to be in a story

LekaFEV [45]3 years ago

4 0

Your handwriting is better them mines

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Precipitation is greater over what and less over what?<br><br> A. Land, sea<br><br> B. Sea, land

Ksju [112]

I would say letter A to this because we need rain water for crops plants. Also we need it so that we can drink it. Its less great over sea because as it merge with the salt in the ocean it becomes less drinkable and less usable.

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3 years ago

Hi!

dangina [55]

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Explanation:

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3 years ago

1.How long dose long term alcohol abuse affect the liver ?

Agata [3.3K]

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2. C- intoxication
3. A- admit to having a problem with alcohol
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3 years ago

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Determine the value of the information in scientific notation. The moon is approximately 3. 63 × 108 meters from Earth. What is

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2 years ago

An amateur astronomer grinds a double convex lens whose surfaces have radii of curvature of 40 cm and 60 cm. The glass has an in

DedPeter [7]

Answer:

44.4cm

Explanation:

glass has an index of refraction .n = 1.54

radii of curvature of 40 cm R1 = 40 by

radii of curvature of 600 cm R2 = 60

Now, by lens maker formula

1/f = (n - 1) (1/R1 - 1/R2)

Putting in the given values for n = 1.54 , we get f = 22.2

$\frac{1}{f} = (1.54 -1) (\frac{1}{40cm} -\frac{1}{(-60cm)} )$

$\frac{1}{f} = 0.0225$

f = 1 / 0.0225

f = 44.4cm

so, focal length in air will be = 44.4 cm

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3 years ago