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3 years ago

SOMEONE PLEASE HELP ME ASAP PLEASE!!!!

Physics

1 answer:

Anarel [89]3 years ago

6 0

Answer:

B. m^2

Explanation:

The unit would be m^2 because there are two m's so the result is m^2.

m*m= m^2

If there were 3 m's the result wouldve been m^3 and so on...

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Andrea's near point is 20.0 cm and her far point is 2.0 m. Her contact lenses are designed so that she can see objects that are

Shalnov [3]

Answer:

the closest distance that she can see an object clearly when she wears her contacts is 22.2 cm

Explanation:

Given the data in the question,

near point = 20 cm

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Now, for an object that is infinitely far away, the image is at is its far point.

so using the following expression, we can determine the focal length

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here, far point i = 2 m = 200 cm and v is ∞

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1/f = 1/(-200 cm) + 1/∞

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Also, for object at its closest point, the image appear at near point,

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we substitute

o = ( -20 × -200 ) / ( -20 - (-200) )

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3 years ago

Which is heavier, humid air or dry air ?

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Answer:

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3 years ago

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SOMEONE PLEASE HELP ME ASAP PLEASE!!!!​

SOMEONE PLEASE HELP ME ASAP PLEASE!!!!