Why must the centre of the satellite orbit coincide with the centre of the Earth?

24,970 results, page 54

precalculus

State the parent function that must be transformed to create the graph of y=2/3x^3 - 2. Describe the transformation that must be applied to the parent function. Parent function= x^3 I don't know the transformation...

MATH

Katie must take five exams in a math class. Her scores on the first four exams were 68, 66, 82, and 80. Answer the following questions: The maximum score on an exam is 100 points. If it is not possible for Katie to achieve the required score on the exam, type np in the answer ...

Astronomy

1. In this collection of problems we will try to use what we have learned to see what information about a hypothetical Solar System planet we can extract from observations. The planet, Nursat, is observed to be in opposition every 374 days. Use this information to find the ...

Physics

The sun is a satellite of Milky Way's galactic central cluster. The sun revolves around this center with a radius of 2.28x10^20 m. and with a period of 2.52x10^8 years. If the universe is 16 billion years old. a) How many times has the galaxy rotated and b)with what speed is ...

Physics

If a 2 m tall man is looking at a plane mirror from an eye which is 20 cm from the top of his head, what is the minimum length that the mirror must be so that he can just barely see his whole body in the mirror? How far up from the ground must the mirror be placed? I'm ...

math

Please show me how to solve: At the local ballpark, the team charges $5 for each ticket and expects to make $1,300 in concessions. The team must pay its players $1,800 and pay all other workers $1,500. Each fan gets a free bat that costs the team $3 per bat. How many tickets ...

MATH

A disc jockey has 12 songs to play. Seven are slow songs, and five are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 12 songs if The songs can be played in any order. The first song must be a slow song and the last song must be ...

Math-confused!

A disc jockey has 12 songs to play. Seven are slow songs, and five are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 12 songs if: *The songs can be played in any order. *The first song must be a slow song and the last song must ...

Algebra

A small software company invests $30,000 to produce a software package that will sell for $64.95. Each unit can be produced for $42.25. (Round your answers to the nearest whole number.) (a) How many units must be sold to break even? units (b) How many units must be sold to ...

poem

what is the shrike by sylvia plath about? When night comes black Such royal dreams beckon this man As lift him apart From his earth-wife's side To wing, sleep-feathered, The singular air, While she, envious bride, Cannot follow after, but lies With her blank brown eyes starved...

english 9

Read the conclusion about “The Beginnings of the Maasai,” and then answer the question. One purpose of “The Beginnings of the Maasai” is to explain the weather. Which excerpt best justifies this conclusion? The sky god is powerful, but can change from nurturing to ...

Physics

The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our galaxy. What is the acceleration of our sun towards the center of the galaxy in m/s^2? Details and assumptions You may assume the sun's orbit is ...

physics

On Earth a baseball player can hit a ball 120 m by giving it an initial angle of 45° to the horizontal. Take the acceleration due to gravity as g=10 ms^-2 Suppose the batter repeats this exercise in a space 'habitat' that has the form of a circular cylinder of radius R = 10 ...

English Language and Composition

1. Which of the following writers were never published in a periodical? a. Mark Twain b. Jonathan Swift c. Henry David Thoreau d. George Orwell e. None of the above 2. Which of the following qualities must a piece of writing have to be considered an essay? a. it must present ...

Child Care

Two three-year-olds, Jenna and Neal, are pulling one another's hair. Using guidance techniques, what would you do? A. Ask, " What do you think you're doing?" B.Physically separate Jenna and Neal C.Say,"You must not do that.It's not nice" D. Remove Neal and say, " You must not ...

physics

a place kicker must kick a football from a point 32.0 m from the goal. As a resultof the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23.0 m/s at an angle of 53 degrees to the horizontal. To determine if ...

To SraJMcGin

*Des vacances speciales* Pensez à des vacances spéciales (ou imaginaires) avec votre famille ou vos amis. Faites une série de dessins qui montrent, en ordre, les activités spéciales. (Vous pouvez aussi utiliser des photos.) enfin, sous chaque dessin, écrivez une phrase ...

FRENCH

*Des vacances speciales* Pensez à des vacances spéciales (ou imaginaires) avec votre famille ou vos amis. Faites une série de dessins qui montrent, en ordre, les activités spéciales. (Vous pouvez aussi utiliser des photos.) enfin, sous chaque dessin, écrivez une phrase ...

Physics 1 - Mechanics

You throw a rock with an initial horizontal velocity and it hits the ground at x meters away from your feet. What if: (a) You throw the same stone with the same initial conditions but instead you do this on a another planet with a mass 4 times the mass of the earth. With what ...

Language Arts CHECK ANSWERS

PLEASE CHECK MY ANSWERS 1. Adolescence is the period of life that follows A. infancy. B. adulthood. C. childhood.*** 2. Students can feel overwhelmed by A. a day off. B. an easy test. C. a lot of homework.*** 3. Everyone admired the grandeur of A. the rose garden.*** B. the ...

math

The owner of Campus Cafe plans to open a second location on a satellite campus in 5yrs. She buys an annuity that pays 10.5% interest compounded annually A. If the payment is $4000 a year, find the future value of the annuity in 5yrs. B. How much more interest would be earned ...

physics

A proton is moving at 425 m/s. (a) How much work must be done on it to stop it?(answer in joules) (A proton has a mass of 1.67×10−27 kg.) (b) Assume the net braking force acting on it has magnitude 8.01×10−16 N and is directed opposite to its initial velocity. ...

Intermediate Algebra

Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss, and/or express? Example: Google Earth: The Google Earth image shows the western side of The Mall in Washington D.C. The distance between the Lincoln ...

phi208

robinson agrees with Aquinas' idea that: honor is a subjective quality honor is secondary to integrity honor must be displayed in action honor is secondary to magnanimity none of the above i think the answer is honor must be displayed in action

Math

Please help with this problem! Planet Pemdas is a perfect sphere that does not rotate. If a rocket flies in a path following the circumference of Pemdas, and maintains a constant altitude of 25,000 feet above the surface for one orbit, how many more feet than the planet's ...

physics

A neutron star and a black hole are 5.650e+12 m from each other at a certain point in their orbit. The neutron star has a mass of 2.78×1030 kg and the black hole has a mass of 9.94×1030 kg.

algebra (please help)

A small software company invests $30,000 to produce a software package that will sell for $64.95. Each unit can be produced for $42.25. (Round your answers to the nearest whole number.) (a) How many units must be sold to break even? units (b) How many units must be sold to ...

MATH WORD PROBLEM

Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7 small stuffed bears, how many of each stuffed bear should he order? b) If Diego ...

Math(Assignment due today)

In Alberta, ramps that are designed for people using mobility devices must meet certain safety requirements. One such requirement is that the angle between the ramp and the horizontal must be less than 4.8 degrees. Explain whether or not the ramp in the picture below is ...

help, bobpursely

Please take a look at DEVON's trig equation at 9:14 I must be missing something obvious. If the second had been 3sin 2x it would be a straight forward question. The way it stands I was able to "reduce" it to the equation 8sin^4 x - 8sin^2 x + 3sin x + 2 = 0 I tested this ...

Foreign languages

Writeacher, could you please check these sentences on school rules? Thank you very much for your invaluable help. 1) You must be respectful of your classmates and of your teachers. You should stand up when teachers (or your teachers?) enter the classroom. 2) You mustn't drink ...

physics

take a satalite going around the earth... what allows us to say net force (radial) = Fg = Fr = ma were the Fg is the force of gravity exerted on the satalite were Fr is radial force and ma is the mass and acceleration of the satalite ok I understand newtons second law but what...

Earth Science

What two things are used for determining how a rock was formed??

Earth Science

What is the name of scientists who study earthquakes?? ♥ thanks Seismologists

biology

What parts of the solid earth, atmosphere and hydrophere are not included in the biosphere?

Science

At what latitude (on Earth) is the elevation of the South Celestial Pole greatest?

earth`s changing surface

the process that breaks down and changes rock

earth`s changing surface

the process that changes the size and shape of rock

earth`s changing surface

the process of moving weathered rock and soil

science

What moves and picks up rocks and is one slow change to the earth?

Science

The middle layer of the earth, made of solid, hot rock, is the what?

Physics

The average radius of the earth is 6.38*10^6m. Is the diameter just twice that or 12.8*10^6m. The circumference is 6.28(6.38*10^6)=40.1*10^6m

Physics

Find the gravitational force between the sun and the earth in newtons?

Physics

If you weighed 112 N on the Moon where g=1.6N/kg, how much would you weigh on Earth?

Science

How would day and night be different if Earth's axis were not tilted?

earth science

what mountain chain has formed at a divergent plate boundary?

Science

Find your mass if a scale on Earth reads 650N when you stand on it.

physics

how do you compare mass and weight on the earth, moon, and outer space?

earth science

oceanography is one of the oldest sciences. false right

9th grade

what divides the earth into the northern and southren hemispheres

earth geology

What are the main differences between topographic and geologic maps?

literary

What is the mood of A Journey to the Center of the Earth,book by Jules Vernes?

science

what is the main source of energy for all living things on earth

natural science

What are the structural zones within the Earth? How are they detected scientifically?

Astronomy

What are two pieces of evidence that the earth is a highly differentiated body

earth sci.....help

which nminerals are persent in obsidian andesite scoria and basalt

GEOGRAPHY

in what state are the Everglades located? What is the northernmost place on Earth called?

physics

At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?

physics

At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?

earth science

what do two of the stars in the bowl of the big dipper point to ?

Science

How did early astronomers figure out how large the Earth really was? Thank you! :-)

earth science

please define and describe deep ocean trenches...

4th grade

how does the cycle of day and night of our earth work?

Earth Science

How tall in miles would a stack of 4.5 billion pennies be?

earth science

How did geologic events play a role in forming coal?

earth science - urgent

What are the differences between asteroids and meteoroids? What are the similarities?

eARTH sCIENCE

Do larger clouds increase or decrease global temperatures?

earth/space science

How does length of the year change with distance from the sun?

Earth Science

wat is the difference between a hypothesis and a question? plz help and thank you

2nd grade

what is a part of the earth that is shaped in a special way, is that a landform

Advance Biology

What is the relationship between CFCs and the Earth's protective layer?

Science

where can i find a good site that will show me the change's of the earth's atmosphere?

science

Which of Earth's spheres extends into all others? explain how

science

Which of Earth's spheres extends into all others? explain how

earth science

what are the landscape regions that the hudson river flows through

Earth Science

Tomorrow will be sunny with high clouds. What does this statement describe?

Science -CLIMATE

Explain how different temperatures on earth create winds.

the outer planets

I am working on a crossword that asks what is 4 times the diameter of Earth. Can you help with this?

physics

What is the weight of a 0.2kg toy on or near the surface of the Earth? (g = 9.8m/s2? in newton

physics

What is the weight of a 0.2kg toy on or near the surface of the Earth? (g = 9.8m/s2? in newton

Science

What percentage of the sun is shine on the Earth in Maine during Spring

geography

what is the theory that helps explain how the earth's topography is formed and how it changes?

EARTH SCIENCE

Identify key characteristics of our star,the Sun.

science

fog forms whenever there is a loss of heat from the earth through

9th grade

calculate the mass in kg of an object that weighs 1,225 N on earth.

science

what two factors combine to give a person weight on Earth?

physics

would an object weigh more or less if there were no atmosphere on earth

earth science

why are warm and cold fronts ussually weaker in the summer?

Chemistry

if you had one mole of m&ms, how many times could you cover the surface of the earth?

physics

Calculate the mass of the Earth, if it had a radius of 3000 km and a gravity of 6 m/s^2.

english

1 Sentence thesis on Jules Verne "A journey to the center of the earth"?

earth

which two rocks are primarily composed of a mineral that bubbles with acid?

earth

What does the word anti mean? My answer- is opposed to something????? Please help me

earth science

why do they call oil and natural gas "fossil" fuels?

Science

Why do scientists use models to study the movement of Earth and its moon?

earth science

what makes scientists think that the ozone layer is disappearing?

science

what would happen to day and night if the Earth rotated faster?

physics

what is the gravitational force on a 60k person on the earth, due to the moon?

geology

I need ideas for paper for using earth's resources responsibly

social studies

how many temperature or heat zones the earth has been divided?

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