4 years ago

Which of the following is a homogeneous mixture?

Physics

2 answers:

Katen [24]4 years ago

7 0

Answer: C. skim milk

Explanation: it is a homogeneous mixture the molecular level

MArishka [77]4 years ago

5 0

C. skim milk, it is a homogeneous mixture yo the molecular level

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ser-zykov [4K]

Answer:

green light have high energy

Explanation:

We have given the wavelength of the red light $\lambda =6.45\times 10^{-5}cm=6.45\times 10^{-7}m$

Speed of the light $c=3\times 106{8}m/sec$

The energy of the signal is given by $E=h\nu =h\frac{c}{\lambda }=\frac{6.67\times 10^{-34}\times 3\times 10^{8}}{6.45\times 10^{-7}}=3.1023\times 10^{-15}j$

The frequency of the green light is given by:

$f=5.80\times 10^{14}s^{-1}$

So energy $E=h\nu =6.67\times 10^{-34}\times 5.80\times 10^{14}=3.8686\times 10^{-19}j$

So green light have high energy

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Answer:

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suddenly part of the force pulling to the left is gone.

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