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Dafna1 [17]
3 years ago
14

Was the Hubble Space Telescope an initial success (explain your answer in one or more sentences)?

Physics
1 answer:
jarptica [38.1K]3 years ago
4 0
The initial curvature and other settings of the mirrors on the Hubble did not produce good images. Space shuttle missions replaced/corrected the mirrors to give clear images.
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What are properties of a liquid?
Oksi-84 [34.3K]

Answer:

Pressure

Surface

Flow

Fluency

Explanation:

*Surface

The surface tension is the force with which the surface molecules of a liquid are attracted to bring them inside and thus decrease the surface area.

*Flow

It is defined as resistance to flow. The viscosity of a liquid depends on the intermolecular forces:

-The higher the intermolecular forces of a liquid, its molecules have a greater difficulty moving between them, therefore the substance is more viscous.

-Liquids that are made up of long, flexible molecules that can bend and tangle with each other are more viscous.

* Pressure

if the molecules of the liquid have a greater intensity of intermolecular force, then they will be trapped in the liquid and will have less facility to pass into the gas phase.

    on the contrary to lower intensity of intermolecular force, then the molecules can escape more easily to the gaseous state.

*Fluency

This property allows liquids to easily pass through a hole regardless of size, as long as this hole is at a lower or the same level of the container where the liquid is stored.

This property indicates the deformability of a liquid which is very wide without requiring mechanical stress.

6 0
4 years ago
Which hormone is released in response to daily variations in light and tends to rise as night falls, peaks at midnight, and fall
hram777 [196]
Melatonin is a hormone being produced by small gland in the brain called pineal gland that helps control sleep and wake cycles. It is also called the sleep hormone because it gives signal that it’s time to sleep. People also used this hormone to adjust the body’s internal clock. It is the hormone that released in response to exposure to sunlight. When the sun sets and night falls, the pineal is activated and begins to vigorously produce melatonin. The amount of melatonin tends to rise as night falls, peaks at midnight, and falls again as the sun rises. It means that it produced more when darker and when the lighter it is; the less melatonin is produced.



5 0
4 years ago
Onomic models
Naddik [55]

Answer: Economic models<em><u> </u></em><u><em>are simplifications of reality, and in this respect economic models are no different from other scientific models.</em></u>

These are abstract idea corresponding to processes set in an economy, these are usually denoted by variables and quantitative relationships between them. These are a simplified, often numerical, hypothesis studied to elaborate convoluted processes.

<u><em>Therefore the correct option is (c)</em></u>

3 0
3 years ago
How is an arranged marriage different from or similar to other ways people find and experience love today?
Zepler [3.9K]

Answer:

The arrange marriage and love marriage is same or different from each other "one is about loving and then getting committed and another one is getting committed and then loving,so in the either way both are same."

Explanation:

There is no difference at all! Because eventually, in both the cases, people manage to stay together and share the responsibilities. What actually matters is that, if Love happened.

Let’s put it this way. Two people fell in love and they get married, but why is that the same couple would want to separate later? Let’s take another example. Two people who don’t have any idea of each other’s existence get married. why is that they choose to live together forever? Love becomes the reason for any split or patch.

When two people are in love everything becomes easy. A relationship doesn’t look hard, in fact I have friends who have a wonderful married life and people still don’t bother to find if that’s a love or an arranged match. Few of them choose partners of their own and few of them fell head over heels in love with their spouse, but all of them look as if they are on an extended holiday.

8 0
4 years ago
On the coast of Georgia, warm air usually picks up water vapor over the Atlantic Ocean. What will happen when the warm, moist ai
strojnjashka [21]

Answer:

C. The warm air will rise, causing water vapor to condense and form clouds.

Explanation:

8 0
4 years ago
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