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Citrus2011 [14]
3 years ago
15

(PLEASE HELP) Which of the following describes a mixture?

Physics
2 answers:
vovangra [49]3 years ago
8 0

Answer:

D. A substance made of two or more types of atoms that are not chemically bonded

Explanation:

just took the test and got the answer right

enyata [817]3 years ago
3 0

Answer:

D

Explanation:

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The trade winds are located about ____ degrees north and south of the equator.
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The trade winds are located about 30 degrees north and south of the equator.

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A grating has 320 lines/mm. How many orders of the visible wavelength 551 nm can it produce in addition to the m = 0 order
Anastaziya [24]

Answer:

6

Explanation:

Given that

dsinθ = mλ,

now, if sinθ = 1, then

m = d / λ, where

m = order of interference

d = distance between the slits

λ = wavelength of light

this is the formula we would use to solve the question

d = 1 / 320 lines/mm

d = 1 / 320*10^3

d = 3.125*10^-6 m

At λ = 551 nm, we have

m = 3.125*10^-6 / 551*10^-9

m = 5.67

5.67 ~ 6

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3 years ago
Do simple machines change the amount of work done?
creativ13 [48]

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