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Marat540 [252]
3 years ago
14

Explain why some people see objects nearby clearly, but objects far away appear blurry. Also, explain how this condition can be

corrected.
EDGE 2020
Physics
2 answers:
Maru [420]3 years ago
7 0

Myopia

Explanation:

myopia is a common vision condition in which you can see objects near to you clearly, but objects farther away are blurry. It occurs when the shape of your eye causes light rays to refract incorrectly, focusing images in front of your retina instead of on your retina. It can be corrected corrected with eyeglasses, contact lenses or refractive surgery.

slamgirl [31]3 years ago
7 0

Answer:

the first guy is correct i think

sorry but i needed points

Explanation:

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Two waves have the same wavelength and frequency. how do their speeds compare?
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How fast they are falling
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How are force, mass and acceleration related?
Zepler [3.9K]

Newton's 2nd law of motion:

F = ma

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Ask Your Teacher An electric utility company supplies a customer's house from the main power lines (120 V) with two copper wires
natta225 [31]

Answer:

The potential difference at the customer's house is 117.1 V.

Explanation:

a) The potential difference at the customer's house can be calculated as follows:

\Delta V_{h} = \Delta V_{p} - \Delta V_{l}

<u>Where</u>:

V_{h}: is the potential difference at the customer's house

V_{p}: is the potential difference from the main power lines = 120 V

V_{l}: is the potential difference from the lines

\Delta V_{h} = \Delta V_{p} - IR

The resistance, R, is:

\frac{0.109 \Omega}{300 m}*2*34.0 m = 0.025 \Omega

Now, the potential difference at the customer's house is:

\Delta V_{h} = 120 V - 116A*0.025 \Omega = 117.1 V

Therefore, the potential difference at the customer's house is 117.1 V.

I hope it helps you!

4 0
4 years ago
Tim adds salt as he starts to heat a pot of water to cook pasta. When the water is boiling, he notices the salt has dissolved
katen-ka-za [31]

Answer:

The salt is dissolved by the water and heat. If the pot isn't boiling, the salt wouldn't dissolve, it would stay undissolved.

3 0
3 years ago
The magnetic circuit below is excited by a 100-turn coil wound over the central leg. The mean length of the central leg is 5.5cm
Dafna11 [192]

Answer:

Hello your question is incomplete attached below is the complete question and solution

<em>answer; </em>

attached below

Explanation:

<em>Given data:</em>

100-turn coil

mean length of central leg = 5.5 cm

mean length of outer paths = 15.5 cm

relative permeability = 2000

cross sectional area ( A ) = 1 cm^2

distance x = 1 cm  

attached below is a detailed solution

3 0
3 years ago
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