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NeTakaya
3 years ago
14

Determine the mass of the earth from the known period and distance of the moon.

Physics
1 answer:
Free_Kalibri [48]3 years ago
6 0
<span><span> High School </span> <span> Physics </span> <span> 5+3 pts </span> </span><span><span>Previous question </span> </span> <span><span>Next question </span> </span> <span>Naomi wants to know the effect of different colors of light on the growth of plants. She believes that plants can survive best in white light. She buys 25
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At divergent boundaries, hot mantle rock rises and _____ occurs.
xeze [42]
When rock rises<span>, they decrease in pressure causes </span>hot mantle rock<span> to melt and form magma. In plate tectonics, </span>divergent boundaries occur<span> when plates pull apart.</span>
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What causes water to move from the liquid part of the hyrdrosphere to the cyrosphere?
bezimeni [28]

Answer:

When the liquid moves through the hydrosphere, the water collects into a cloud. When it falls to the earth, turning into snow and sleet collecting in rivers and lakes.

Explanation:

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Please help me with this question :
aalyn [17]

Answer:

  • 514.27 ( wavelength )

the color is green

  • 602.93 nm  ( orange color )

the observation is that there is a change of visible color

Explanation:

A) wavelength of visible light that is most strongly reflected from a point on a soap

refraction n = 1.33

wall thickness (t) = 290 nm

2nt = (2m +1 ) ∝/2 -----equation 1

note when m = 0

therefore ∝ =  4nt/ 1 = 4 * 1.33 * 290 = 1542.8nm we will discard this

when m = 1

equation 1 becomes

∝ = 4nt/3 =( 4 * 1.33 * 290) /  3 = 1542.8 / 3 = 514.27 ( wavelength )

the color is green

B) the wavelength when the wall thickness is 340 nm

∝ = 4nt / 2m +1

where m = 1

∝ = (4 * 1.33 * 340 ) / 3  = 1808.8 / 3 = 602.93 nm  ( orange color )

the observation is that there is a change of visible color

7 0
3 years ago
J.J. Thomson theorized that, if an atom had all of its negatively charged
Bumek [7]

Answer:

C. Positively charged

Explanation:

The plum pudding model of the atom proposes by J. J. Thomson consisted of electrons which lay embedded as the raisins within a dough or soup that was positively charged. The electron was discovered by J. J. Thomson in 1897 through cathode ray tube experiments.

Based on the plum pudding model, if all the negatively charge electrons contained in an atom are removed, the material remaining will be the <em>positively charged</em> soup

6 0
2 years ago
When cleaning a storage battery you can use a solution of water and ammonia or solution of water and
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Water and baking soda can be used, too.
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