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leonid [27]
3 years ago
14

A mixture that forms when one substance dissolves another is called

Physics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

a solution

Explanation: A solution is a homogeneous mixture consisting of a solute dissolved into a solvent .

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What is the main source of groundwater? A. precipitation falling into man-made wells B. precipitation seeping through pores and
Yuliya22 [10]

Answer:

B: precipitation seeping through pores and cracks in the ground

Explanation:

Man made wells aren't the main source because their isn't enough of them and morning dew doesn't go in to the ground in one main source.

5 0
3 years ago
two object gravitationally attract with a force of 20N.if the distance between the two object centers is doubled, then what is t
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Gravity decreases with the square of the distance, so the new force is (20)/(2*2) = 5N.
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A laser with a power of 1.0 mW has a beam radius of 1.0 mm. What is the peak value of the electric field in that beam
Fynjy0 [20]

Answer:

The peak value of the electric field is 489.64 V/m

Explanation:

Given;

power of the laser, P = 1.0 mW = 1 x 10⁻³ W

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Area of the beam = πr² = π(1 x 10⁻³ )² = 3.142 x 10⁻⁶ m²

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The average intensity of the light = ( 1 x 10⁻³) / (3.142 x 10⁻⁶)

The average intensity of the light = 318.27 W/m²

The peak value of the electric field is given by;

E_o = \sqrt{\frac{2I_{avg}}{c\epsilon_o}}\\\\E_o = \sqrt{\frac{2(318.27)}{(3*10^8)(8.85*10^{-12})}}\\\\E_o = 489.64 \ V/m

Therefore, the peak value of the electric field is 489.64 V/m.

4 0
3 years ago
What idea did Max Planck propose to help explain why a blackbody radiator did not give off light of increasingly high frequency
Leno4ka [110]
The idea that <span>Max Planck propose to help explain why a blackbody radiator did not give off light of increasingly high frequency as its temperature increased is that </span>C. Matter can absorb light only in certain specific amounts. 
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Describe what happens to chromosomes before mitosis.
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Explanation:

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6 0
3 years ago
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