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andriy [413]
3 years ago
14

ATTENTION! I NEED THIS DONE ASAP NO LINKS !!! THIS IS A SCIENCE QUESTION

Physics
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

Science seeks to broaden our knowledge base, while engineering designs solutions and problems.

Explanation:

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Calculate the minimum thickness (in nm) of an oil slick on water that appears blue when illuminated by white light perpendicular
mr_godi [17]

Answer:

The minimum thickness = 83.92 nm

Explanation:

The relation between the wavelength in a particular medium and refractive index \lambda_n = \frac{ \lambda }{n}

where ;

\lambda = wavelength of the light in vacuum

n = refractive index of medium with respect to vacuum

For one phase change :

2t = \frac{\lambda_n}{2}\\\\where \ \lambda_n = \frac{\lambda}{n}\\\\Then \ \\\\2t = \frac{\lambda}{2n}\\\\t = \frac{\lambda_n}{4n}

Replacing 1.43 for n and 480 nm for λ; we have:

t = \frac{480}{4(1.43)}

t = 83.92 nm

Thus; the minimum thickness = 83.92 nm

4 0
3 years ago
Which is greater, the gravitational force between earth and the moon, or the force between earth and the sun?
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Earth and the Sun
GF = 3.647x10^22 N
8 0
3 years ago
Select the correct statement about osmolarity. a) Osmolarity measures the moles of solute per liter of solution. b) The contents
8090 [49]

Answer:

a) Osmolarity measures the moles of solute per liter of solution.

Explanation:

Osmolarity is defined as the number of moles of solute that contribute to the osmotic pressure, per liter of solution, of solution. That is, the measurement of the solute concentration. The prefix "osmo-" indicates the possible variation of the osmotic pressure in the cells, which will occur when the solution is introduced into the body.

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3 years ago
Your mother is sure that you were driving too fast because she knows
photoshop1234 [79]
She knows the speed limit in the area, and also saw the speed you were going on the speedometer. The speed you were going was faster than the limit allowed, so that's how she knew you were going too fast.
5 0
3 years ago
A DC motor with a ticking sound that corresponds with a discolored commutator bar rotating under the brushes. The problem is mos
sukhopar [10]

The problem is most likely that the commutator brushes bounces as the motor shaft rotates.

<h3>What is a DC motor?</h3>

This is referred to a device which converts direct current electrical energy into mechanical energy.

if the commutator brushes bounces as the motor shaft rotates over different materials, the ticking sound is heard.

Read more about DC motor here brainly.com/question/15721280

#SPJ1

8 0
2 years ago
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