The average distance separating Earth and the Moon (center to center) is 384 000 km.The average distance separating Earth and the Moon (center to...

Lol...ur in college man...w/e here's my answer.

The net gravitational force is the difference from the gravitational force from the Earth and the gravitational force from the Moon.

We also know the distance between the ship and the moon equals the distance between the ship and the earth, which is 192000km, or 1.92x10⁸m.

F=G●m1●m2 / r²

for the Earth:
F=G●m1●m2 / r²
F=(6.67428x10¯¹¹N (m/kg)²)●(5.98x10²⁴kg)●(3.00x10⁴kg) / [(1.92x10⁸m)²]
F=32.48063x10¹N or 324.8063N;

for the Moon:
F=G●m1●m2 / r²
F=(6.67428x10ˉ¹¹N (m/kg)²)●(7.36x10²²kg)●(3.00x10⁴kg) / [(1.92x10⁸m)²]
F=39.97616x10ˉ¹ or 3.997616N;

The net gravitational force then would be:
324.8063-3.997616
=320.808684 or 3.20808684x10²N

Assuming all the numbers in the question is given to 3 significant digits, the answer should be rounded to 3 significant digits too, which would be 3.21x10²N.

Final answer: 3.21x10²N towards / from the Earth

what are the differences and similarities between Catherine and her daughter Cathy?

Catherine is beautiful, superficial, and capable of sweetness , but is equally capable of volatile mood swings. Catherine is very aware of social status, and in this way never lets her heart truly rule her actions.

Cathy is beautiful as well, yet she does not have the emotional extremes that her mother does. This is not to say that she is emotionless, she does possess a strong spirit. The main difference is Cathy was able to love unconditionally, she would plans to leave with her true love, without caring what others might think.

In "To Kill a Mockingbird," what is Aunt Alexandra's last name?

Scout and Jem's aunt's name is Alexandra Finch Hancock. She is Atticus's sister who moves in with them. Aunt Alexandra tries to have a more traditional effect on the children, balancing out Atticus's liberal approach to child-raising. She is especially focused on Scout, who does not wish to conform to her aunt's ideas of ladylike behavior.

What is the conclusion for Shakespeare's "Sonnet 29"?

Shakespeare's "Sonnet 29" is about the despair the speaker feels when he has faced some disgrace of fortune--perhaps he can't pay a bill or a play was badly acted or poorly received--and as a result feels like an outcast from society because of the disgracing glances from other men's eyes. It is times likes this that he cries in vain to heaven and abhors his successes and failures alike.

He wishes he were "rich in hope" like someone else who has loving friends or that he had the talent of this other one or the intellect of that one, and he is most unhappy with his own life and talents. Then he thinks of the his beloved and becomes like a lark at daybreak singing at "heaven's gate" and, when thus thinking of the beloved, would not trade places with kings: "I scorn to change my state with kings."

The conclusion of this slide into melancholia and depression of "Sonnet 29" is that the speaker's gloom and despair are turned to joy and happiness at the mere thought of the beloved who is so good at heart that "thy sweet love" can lift the speaker to soar above kings.

What are three examples of allegory from Life of Pi?

There are several allegories in this fine novel. One is the way that the flesh-eating island is willing to consume Pi and everyone/everything else. This is a thinly disguised allegory for the bloody violence of nature. Pi is both literally lost at sea and metaphorically lost at sea; every literal adventure and challenge is also a spiritual one. Finally, the encounter near the end, when Pi is blind, represents how fully he's lost his sight (reason, insight), and how little it serves him in these crazy lands.

What is theme of war?

The theme of Pirandello's short story is that there can be little justification to the horrific nature of war.  At the time of Pirandello's writing, World War I had been waged by many countries in the name of many ideals.  Nationalism, pride in one's country, upholding national traditions, expansion of one's country, and service to the greater good were all invoked by national leaders to justify the war enlistment.  As the war increased in scope and depth, the body count did as well.  Europe was left shattered in that so many were killed, wounded, abandoned, and orphaned. In the end, the old regimes and old methodologies that justified war were questioned as individuals felt betrayed and led astray.  As Yeats writes, "Things fall apart/ the center cannot hold."  While this was the case, Pirandello's story helps to capture this essence in a series of discussion points where people grasp faintly at the idea of trying to hold on to things and cling to what might be true, only to realize that there is no sanctuary or refuge for those who must deal with the harsh truth of war and its unending sense of loss.

Explain the reasons for the key steps involved in DNA extraction, PCR and electrophoresis below.Key steps - 1. Collect DNA Evidence from crime...

These are the basic steps in identifying or excluding suspects in a crime. Each step has to be done carefully, as mistakes can be made in each--and we are talking about someone being found guilty or not guilty of a serious crime.

1. Collect DNA Evidence from crime scene--must be done carefully, not contaminated w/other DNA, must be properly catalogued.

2. Extract DNA--DNA must be extracted carefully from the cells; ie, the cells are disrupted, and DNA separated from other cell components via use of chelating agents and centrifuge.

3. Use restriction enzymes to cut the DNA into different sized fragments-These must be chosen carefully in order to obtain similar segments of all crime scene DNA, obtaining sections of the DNA likely to hold differences between people.

4. Amplify DNA sample using PCR--there is frequently not a great deal of DNA available. After desired segments are "cut" with restriction enzymes, PCR (polymerase chain reaction) is used to make ~1 billion copies of the DNA segment in a couple of hours. The sample is heated to split the double strands; the temp is lowered, allowing primers and TAQ polymerase to anneal (hook on) bases to the strands; the cycle is repeated, doubling the number of segments each time.

5. Seperate the fragments using electrophoresis into bands of DNA--a small amount of the DNA is loaded into the well of a gel, and elecricity is applied so that the negatively charged DNA fragments migrate to the positive side. The smaller the fragment, the more quickly (and therefore further) it travels through the gel.

6. Make the DNA band visible--can either be done by staining the gel after electrophoresis, or by adding a stain to the gel before it is cast so that the bands show up in UV light.

7. Compare the position of the DNA bands with suspect samples--if the crime scene DNA does not match the subject, s/he can be excluded. If it does, tests on other sections will be run to make sure they also match.