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

25,161 results, page 63

programming

write a java application to calculate the exponent value of a number using the following specification <Prompt the user to enter an integer value <Pass the integer value to the method squares the number and to a method cubes the number.The result must be returned to the ...

Economics

The economic concept of guns or butter means that A. a person can spend money on either sports equipment or food. B. a company must decide whether to manufacture guns or butter. C. a government must decide to produce more or less military or consumer goods. D. a government can...

Anatomy and Physiology

Hello! Thanks in advance for checking my question! ____ 3. Lacrimal bones form the walls of the (1 point) a) eyes. b) nose. c) mouth. d) ears. My Answer: A I'm not sure on this one, and the book doesn't have much information about it. The book says, "Lacrimal Bones, The ...

Geometry

Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The sides of the ...

Geometry

Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The sides of the ...

science

how does a metamophic rock form. http://www.cdli.ca/CITE/rocks_metamorphic.htm http://gpc.edu/~pgore/Earth&Space/metamorphic-notes.html

Math

Choose the equation of a line that is parallel to y = 3x - 2 and passes through the point (-1,-6). y = 3x + 3 y = 3x - 3 y = (-1/3)x + 19/3 y = (-1/3)x - 19/3 *i think it's the last one! The slope must be 3. That is the "m" term in the form y = m x + b So the correct answer ...

guidance

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

Data Management Grade 12

How many different five-letter words can be formed using the letters of the word STEVIN, a) if only one vowel is to be used? b) if both vowels are to be used and E is to precede I? c) if both vowels must be used, they must be adjacent, and E is to precede I? d) if either one ...

Logical Reasoning

Ted is ordering food at a restaurant. One of the ways to order a dinner is to order a combination meal. Meal 1 includes chicken wings and fries. Meal 2 includes a burger and fries. Ted receives chicken wings as part of his order. Based on the information only, which of the ...

physics

Tarzan, played by Patrick Huard, 60 kg, must cross a stream 5 m wide, and full of hungry crocodiles. To do this, decides to slide along a sloping tree trunk, hollowed and moist so that there is no friction. After the trunk, there is a part of 3 m platform covered in mud, with ...

Physics

Tarzan, played by Patrick Huard, 60 kg, must cross a stream 5 m wide, and full of hungry crocodiles. To do this, decides to slide along a sloping tree trunk, hollowed and moist so that there is no friction. After the trunk, there is a part of 3 m platform covered in mud, with ...

Math

Hint for this assignment: Pay attention to the units of measure. You may have to convert from feet to miles in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know ...

Science

After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...

Science

After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record? a. an earthquake or motion along a fault. b. new deposits of sediment must build up on the eroded area. c. folding of sedimentary rock layers. d. a ...

Statistics

The music industry must adjust to the growing practice of consumers downloading songs instead of buying CDs. It therefore becomes important to estimate the proportion of songs that are currently downloaded. How many randomly selected song purchases must be surveyed to ...

Statistics

The music industry must adjust to the growing practice o consumers downloading songs instead of buying CDs. It therefore becomes important to estimate the proportion of songs that are currently downloaded. How many randomly selected song purchases must be surveyed to determine...

Physics

A uniform ladder of mass m is 2.5 m long. Its upper end leans against a frictionless wall. The coefficient of static friction between the ladder and the floor is 0.58. How far from the wall can the lower end be placed before the ladder starts to slip? Hint: for the ladder to ...

proof by induction

proof by mathmatical induction that the sum of the first n natural numbers is equal n(n+1)/2 It's true for n = 1. Assume that it is true for some n. Then the sum of the first n+1 natural integers can be obtained by dding the last number n+1 to n(n+1)/2. So, the assumption that...

Math

1. ABC Feeds has two different types of cattle feed containing crude protein in the amount of 45% and 20% respectively. How many of each type must a feed lot manager mix together to obtain 10 000lbs of a mixture that is 25% protein? 2. Meg has a solution that is 40% alcohol ...

Social Studie

1: How does sea-floor spreading occur? A, New materials are being added to the asthenosphere. B, Earthquakes break apart the ocean floor. C, Sediments accumulate at the area of spreading. D, Molten material beneath Earth's crust rises to the surface. 2, Which features form the...

Calc

A paper cup is to be designed in the shape of a right circular cone. It must have a capacity of 12 fluid ounces (1 fluid ounce = 1.80469 cubic inches) of soft drink but it must use a minimum amount of material in its construction. What should the dimensions of this paper cup ...

Physics

The figure shows the treatment of fractures of the humerus shaft with a cast of the upper arm bent by 100 to 110 degrees at the elbow joint, and an attached traction device. The traction device keeps the upper arm under tension to lower the risk of fracture dislocation due to ...

English

I have to identify the verbs in the sentence and decide if they are linking,transitive, or intransitive. Please check these and let me know if they are correct. 2. She turned her face to the sun. (transitive) 4. The leaves on the tree turn bright red in the fall. (intransitive...

physic

In order to qualify for the finals in an race, a runner must achieve an average speed of 5.24 m/s for the entire mile race. If she runs at a constant speed of 4.63 m/s for the first half of the 1609 meter race, what constant speed must she maintain for the second half of the ...

programming

I need help with a C++ exercise. I need to write a code to display a table consisting of four rows and 11 columns. The first column must contain the numbers 1 through 4 and the other columns must contain the result of multiplying the number in the first column by the numbers 0...

Algebra

Word problem: A house is to be built on a lot 70ft wide by 100ft deep. The shorter side of the lot faces the street. The house must be set back from the street at least 25ft. It must be 20ft from the back lot line and 10ft from each side lot line. What are the maximum length ...

ryan

You propose to build a space ship that allows the entire population of the United States (280 million) to leave earth. Your plans allocate an average space of 1,000(=10*10*10) cubic feet to each person. You space ship is going to have the shape of a sphere. The radius of you ...

English

The sentence "Like a boil that can never be cured as long as it is covered up but must be opened with all its pus-flowing ugliness to the natural medicines of air and light, injustice must likewise be exposed" communicates a(n) __________ tone A.Urgent B.Matter of fact C....

Chemistry

These are all true or false questions, and I think some of my answers may be wrong. Could someone please check them for me? 1) All stoichiometry calculations are based on STP conditions. (True) 2. Given the amount of reactant, you must use coefficients from the balanced ...

Physics

I found the average acceleration of earths orbit around the sun over a period of 5 days by calculating delta theta and dividing by radius and 1/T. I got the right answer but as I am studying for my test, I am seeing the units do not work...does this make sense? Can someone ...

Language Arts

1.which of the following passages from the cay best indicates that Philip will manage to survive without timothy? A. But the two small bars of chocolate that we had been saving for a "feast" were ruined. B. I'd found one lone coconut in a mass of sea grape and broken sticks. C...

collage physics

a block of wood rest on a plane incline at 35 degrees to the horizontal.if the coefficient of the static friction between the surface is 0.45.determine: a) what is the horizontal force that must be applied to the block to initiate motion up the plane b)the horizontal force ...

Math Help- Gr12

The relation between the # of time in days, D, it takes for a planet to revolve around the Sun is related to the planer's average distance from the Sun, k, in millions of kilometres is defined by log D= 3/2logk-0.7 . How much longer does it take Mars than Venus to orbit the ...

History

I am reading the Jungle and have not yet finished reading it I still have a long way to go and its due next week. I am reading this because a have to do a book review and one thing I must include in my assignment is an analysis of the strengths and weaknesses of the book, the ...

Physics

Starting from rest, a horse pull a 250-kg cart for a distance of 1,5km. it reaches a speed of 0,38m/s by the time it has walked 50,0m and then walks at constant speed.fictional force 260n.each gram of oats the horse eats releases 9kJ of energy. 10% of this can go into work the...

11French

can someone please edit my story? Les Aventures de Philippe et Billippe Page 1 Bienvenue Philippe et Billippe. Ils sont jumeaux identiques. Même si qu’ils sont les memes personnes à l'extérieur, ils sont complètement different à l'intérieur. Billippe est très ...

Science

How does sea-floor spreading occur? A, New materials are being added to the asthenosphere. B, Earthquakes break apart the ocean floor. C, Sediments accumulate at the area of spreading. D, Molten material beneath Earth's crust rises to the surface. •• 2, Which features form...

science(8th Grade)

List three things aboout Minerals of the Earth Crust Author Holt Rinehart & Winston

physic

What does “seven earths" as mentioned in surah at-Talaq actually mean?. what is each cointing on earth? please give detail answer.

Physics

How much force are you exerting on the earth right now? How can a rocket operate in outer space? Describe the process of walking.

bio

Can someone provide me the help to explain this statement: "An important step in the history of life on Earth was the evolution of eukaryotic cells from prokaryotes"

science

how does heat flow and movement of material within Earth move the continents,cause earthquakes and volcanic eruptions and create mountains

Population Density - Geo

predict the number of people that may live on planet earth in 100 years. how would i figure this out??

English

In the sentence - Plenty of silicon is found on Earth, but it remains a valuable material for the computer industry. What is the simple subject and predicate?

Physics

1. What evidence did ancient Greek astronomers have that Earth does NOT move? The answer is because of the lack of parallax, but then there's a follow-up question... 2. How do we knoew it DOES?

Science - Weather

Describe what would happen to the temperature on Earth if the amount of energy reflected back to space a) increased to 80% b) decreased to 5%

science -- urgent

can you pleaseee list all the things that Earth needs to provide us with life?? like energy, carbon, and so on.. THANKS A LOT!

Earth Science

an evidence is a material or data that can be measured and tested to verify their prediction so wat is the difference to a scientific inquiry plz help and thank you

Advance Biology

I need help writting exactly 25 words to describe the relationship between CFCs and the Earth's protective ozone layer.

science

can you give me some facts and info bout how plate tectonics accounts for the features and processes that geoscientists observe in the earth -thank you

Earth Science

If the continental crust were thinner than its average thickness of 40 km, would it depress the mantle more or less than it does now? Explain.

physics

consider an electron near the equator. in which direction does it tend to deflect by the magnetic field of the earth if its velocity is directed a.northward

Science

for anybody:there is evidence that human beings could be a part of the 6th extinction on earth. Do you believe this is true? Why is Why not? Write a statement explaining your beliefs.

physics

What is the magnitude of the apparent weight of a 69 kg astronaut 5200 km from the center of the Earth's Moon in a space vehicle moving at constant velocity?

physics

What is the magnitude of the apparent weight of a 79 astronaut 5200 from the center of the Earth's Moon in a space vehicle moving at constant velocity?

science

an astronaut in space vehicle traveling from earth to the moon is in potential danger of being harmed by the sun's ultraviolet radiation.

Earth Science

I need help finding the geological time scale of stone mountain georgia, with a longitudinal, and latitude map of the area.

Physics

What is the magnitude of the apparent weight of a 65 astronaut 3600 from the center of the Earth's Moon in a space vehicle moving at constant velocity?

physical science

a 180 lb person climbs a ladder to a point which is two times the radius of the earth high. how much does he weigh there?

Physical Geography, Earth Science

How do you label a Tectonic Map of Hypothetical Ocean Basin? I have to draw in the plate boundaries.

Geology

Why isn't the land surface of Earth flat after millions of years of erosion by mass wasting as well as by other erosional agents?

physics

Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN

physics

Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN

Physic

While surface conditions differ greatly, name the three ways that Venus and Earth are indeed sister planets.

7th grade social studies

In the Earth's Sourthern Hemisphere, what season begins in March? Spring Summer Fall Winter

Physics

how fast would you have to be traveling at in a spaceship in order to appear to age 20% slower than your classmate left behind on earth

physics

How fast is a city on the earth's equator (such as Singapore) moving due to our planet's daily spin on its axis?

Meteorology

Does the Sun's rays ever make 90- degree angles to the Earth's surface in San Francisco at any time during the year? Why or why not?

earth science

Which type of sedimentary rock is formed from fragments of minerals or rocks? (Points : 3) clastic chemical intrusive organic

Introduction To Marketing

Create a pitch to a potential green-product advertiser stating the benefits of advertising in Mother Earth News.

Physics

If you stood atop a ladder that was so tall that you were twice as far from Earth's center, how would your weight compare with its present value?

physics

An american system of communication is based on the radio frequency of 76 Hz. Compute the wavelength of theses waves and compare it to the diameter of the earth.

Geography

If you were to dig a hole all the way to the center of the Earth and back where would you end up if you were in Indonesia? Mexico? South America?

physics

what will be the centipetal acceleration on a man whose mass is 80 kg,when resting on a ground at the equator if the radius of the earth'R' is 6.4x10 power 6 meter.

Earth Science

4.   Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today.  A. oxygen B. lead C. hydrogen D. ore A?

using skills

Which earth science lesson is especially appropriate for the primary grades? A. Moon B. Volcanoes C. Stars D. Weather my answer is d.

Science

What would be a good way using the terms mass and weight to explain how to measure gold so it's the same on earth and on the moon?

physics

How much would the time keeping of a pendulum clock be affected by taking it to the moon? Gravity is 1.6m/s ^2, compared with 10m/s ^2 on the earth.

Social Stuies

Which of the following does NOT concern dividing up the earth into smaller sections? A. Parallels B. Meridians C. cardinal directions D. Hemispheres

Science one question dont understand plz help ASAP

i know that from earth to the moon is 238,855 miles but i don't know how much that is in months

Math

Lined up 6.7 billion people assume that each person occupied 12inches of the line.how many times around earth would they reach

Physics

The earth has a radius of 6380 km and turns around once every 24 hours. What is the average speed of a person resting at the equator?

Earth science

Most of the sand that makes up the sandstone found in New York State was originally deposited in which type of layers?

Earth Science

What are the maximum and minimum dimensions (the size range) for the following particle sizes? a) cobble: b) pebble: c) sand: PLEASE HELP

science

Both a globe and flat world map can model features of Earth. Give an example of when you would use each of these models.

Math ( Word Problem )

Joel sells ice cream cones at the county fair. he has to rent the equipment for $49 and spend $.043 on ingredients for each one. How many ice cream cones must he sells at $1.10 each in order to make a profit? Write an inequality that represents how many ice cream cones must be...

physics

A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...

physics

A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...

physics

A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...

physics

A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...

physics

A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential acceleration, Radial ...

language

Which of the following sentences is punctuated correctly? A. A carpenter must use certain tools, hammers, saws, chisels, to finish a job. B. A carpenter must use certain tools hammers, saws, chisels -to finish a job. C. A carpenter must use certain tools - hammers, saws, ...

com 140

As a project manager, you are looking forward to completing your current project and then taking a European vacation with your bonus money. Shortly before bonuses are expected, however, you realize your team just missed reaching the financial goal for the quarter. As a result...

Elem. Ed.

Portfolios are a collaborative effort in that: A. children,teachers,and specialists can all choose samples to include in a portfolio. B. each item in the porfolio should be discussed with parents before it is included. C. teachers must have input from other teachers in the ...

Physics ~ work shown, pls help!

A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^-7 and it was incorrect. (...

Math

Four people want to cross a bridge. They all begin on the same side. It’s night time and they only have one flash light with them. At most two people can cross the bridge at the same time, and any party who crosses, either one or two people must have a flashlight with them. ...

chemistry

when a ball is dropped throuh a height, its potential energy changes. Suppose all this energy gets converted into internal energyof the ball once it has stopped bouncing and the specfic heat of the vall is 0.850 j/g-k(no heat loss to the environment). Calculate the height from...

Social Studies

1.How does scarcity affect producers? ●Limited costs prevent producers from hiking prices. ●Limited demand prevents producers from offering low prices. ●Limited time prevents producers from finding the best employees. ●Limited resources prevent producers from making ...

Physics

Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.80 1011 m apart. The larger of the two stars has a mass of 3.50 1030 kg, and its center is 3.00 1011 m from the system's center of mass. What is the mass of the smaller star?

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