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

25,161 results, page 53

finance (assumptions)

The cost of capital for common stock is ke=(d1/Po)+g. What are the assumptions of the model? A. growth (g) is constant to infinity B. The price earnings ration stay the same C. The firm must pay a dividend to use this model D All of the above are assumptions of the model I ...

Physics

A 0.28-kg stone is held 1.5 m above the top edge of a water well and then dropped into it. The well has a depth of 4.8 m. (a) Taking y = 0 at the top edge of the well, what is the gravitational potential energy of the stone–Earth system before the stone is released? J (b) ...

Physics

A 0.31-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well has a depth of 5.6 m. (a) Taking y = 0 at the top edge of the well, what is the gravitational potential energy of the stone–Earth system before the stone is released? (b) ...

physics (please help)

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...

physics(elena)

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...

Physics

Two main strategies are employed to deflect an asteroid: destruction or slowing it down by at least 425 s so that the earth can move out of the impact zone. Assume perfect inelastic collision. (a) If we know the speed of the asteroid (va), mass (ma), and the distance the ...

Effective Business Communication

For effective, written business communication, writers must consider several factors: the purpose of the communication, the identity of the audience members (including their probable reactions, amount of information they already have, obstacles that must be overcome, and ...

Socials

What effect did the highland clearances and the Irish potato famine have on canada? Do ayou know anyone of Irish or Scottish ancestry? How and when did their family come ot canada? Pretend you are a scottish or Irish farmer who must immigrate. Write a short speech to your ...

Physics

To win the game, a place kicker must kick a football from a point 40 m (43.744 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 30.9◦ from the horizontal. The ...

science

What is the geologic time scale and what are some thing scientists use it for (at least two things)? Here's my answer could you please verify. the geologic time scale is a record of the geologic events and life forms in Earth’s history. Scientists use it to understand the ...

English

I forgot to include the following sentences. I hope you can have a look at them, too. 1)The British upper class still thought of itself as the centre of the civilized world. World War I put an abrupt end to all this. 2) In June 1914 the heir to the Austrian throne, the ...

physic

Charge must be present at a location in order for there to be electrical potential energy. Must charge also be present at a location for there to be electric potential? I know it's no but why?

math

If 72 divides m, what other numbers must divide m? If 55 divides m, what other numbers must divide m? (Enter your answers as a comma-separated list.)

Physics

A place kicker must kick a football from a point 29.0 m (= 31.7 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 17.8 m/s at an angle of 41.0o to the horizontal. By how much does the ball ...

math

length of a piece of wood must measure between 15 and 17 centimeters and the width must measure between 9 and 11 centimeters. write a system of linear inequalities to represent the possible dimensions of the wood,in inches,given that 1 inch equals 2.54 centimeters. plz do help...

algebra

what are rational expressions? Why must we always be mindful of the final value of the denominator in a rational expression? For example, consider the rational expression 3x/(x2 – 16). What values in the denominator must we be mindful of? Explain why.

English

1. The ice must be 15 centimeters thick at least. 2. The ice must be at least 15 centimeters tall. (What is is the proper position of 'at least'? Are both OK? Do both sentences have the same meaning?)

Physics

Your dog has been diagnosed with a terminal illness for which there is no cure. The Veterinarian expects that it will live for 1 year before it succumbs to the condition. You have the idea that if you could keep the dog alive a little longer, a cure might be found. You decide ...

Physic please help!

The electrons in the beam of a television tube have a kinetic energy of 2.10 10-15 J. Initially, the electrons move horizontally from west to east. The vertical component of the earth's magnetic field points down, toward the surface of the earth, and has a magnitude of 5.00 10...

Statistics

The Tyco Video Game Corporation finds that it is losing income because of slugs used in its video games. The machines must be adjusted to accept coins only if they fall within set limits. In order to set those limits, the mean wight of quarters in circulation must be estimated...

Science

I am doing a 3rd grade science project on the Sun. I have to create a "visual". I want to compare the size of the earth to the size of the sun. I found that you could put 1,000,000 earths inside the Sun. I would like to fill a container [representing the Sun] with something ...

history (GB television)

Hi, I am doing a project on when British television channels were launched, e.g. BBC1, BBC2, ITV1, Channel 4 and Channel 5 (then satellite channels). The kind of info I have found is BBC1 is oldest channel, BBB2 launched in 1964. Can anyone elaborate on when these programmes ...

Chemistry

To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 2.10 nm in diameter? Take the mass of an electron to be 9.11...

physics

Air at 1 atm is inside a cylinder 17.9 cm in radius and 17.9 cm in length that sits on a table. The top of the cylinder is sealed with a movable piston. A 24.1-kg block is dropped onto the piston. a) From what height above the piston must the block be dropped to compress the ...

PROJECT

The project i have to do is for art. Well basically i need to think of a yellow page advertisement design. As with all advertising, the ads must be clearly present all important information about the business. the as must have: the name company the type of service or product I...

social studies

1) What is one certain long-term cost of adding to the national debt? a. american's in the future must have fewer public services b. american's in the future with not vote in elections c. american's in the future will not enjoy the benefits of the program d. american's in the ...

Environmental Science

are these correct? 29. A common feature of thermal pollution and artificial eutrophication is that they both a. ave sources that are idfficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial ...

Algebra 1 Please bobpursley

This is what the exact paper says Algebra 1 PAP Creature teacher Obj: TLW creat a creature to represent a varable to be used to simplify an expression. Each student must will be assigned a variable ( mine being C): the student is to create a creature to represent that variable...

CHEMISTRY

to resolve an object in an electron microscope the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 7.90 nm in diameter? Take the mass of an electron to be 9.11*...

math

a farmer plant seeds in a field that is 125 meters length and 75 meters width. The seed must receive 1 liter per square meter every day and how many liters must farmer apply to the field every day?

chemistry

To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 8.10 nm in diameter? Take the mass of an electron to be 9.11...

chemistry

To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 8.10 nm in diameter? Take the mass of an electron to be 9.11...

Chemistry

To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 5.40 nm in diameter? Take the mass of an electron to be 9.11...

chemistry

To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.70 nm in diameter? Take the mass of an electron to be 9.11...

chemistry

To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 7.00 nm in diameter? Take the mass of an electron to be 9.11...

Social Studies

I have this assignment for ss that is due on monday. Here it is (the assignment paper) LETTER TO QUEEN ISABELLA In 1492, Queen Isabella of Spain provided an Italian explorer and navigator, Christopher Columbus with 3 small ships the Nine, The Pinta, and the Santa Maria. She ...

Physics

You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the ceiling on a string. The load is not swinging, and the string is observed to make a constant angle of 45 degrees with the horizontal. No other forces are ...

Physics

You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the ceiling on a string. The load is not swinging, and the string is observed to make a constant angle of 45 degrees with the horizontal. No other forces are ...

Physics Classical Mechanics

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3, has three times the ...

Assistance Dogs

Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds, noises, or moving ...

Pre-Ap Physics

To win the game, a place kicker must kick a football from a point 17 m (18.5912 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 15 m/s at an angle of 58.9 ◦ from the horizontal. The ...

Pre-Ap Physics

To win the game, a place kicker must kick a football from a point 17 m (18.5912 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 15 m/s at an angle of 58.9◦ from the horizontal. The ...

Pre-Ap Physics

To win the game, a place kicker must kick a football from a point 17 m (18.5912 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 15 m/s at an angle of 58.9 ◦ from the horizontal. The ...

Parents, Finances, and School-Age Children

The most important reason for caregivers to be able to work together as a team is that A. caregivers must show a good working relationship to licensing agencies. B. caregivers must often coordinate and share responsibilities and resources. C. children need multiple caregivers...

physics

1.If a block weighs 30 pounds and has a static friction of .7 and a sliding friction of .55 and Fn=Fw a. How much force must be applied to just cause motion? b. Once motion has begun what force must be maintained to cause constant velocity motion? 2.A plank is tilted slowly to...

8th grade science

For my quiz some of these questions confuse me. Your genome is over 99% identical to every other human on earth. True False 3 points Save All living things on earth share certain identical sequences of bases on their genome. True False and... Question 8 3 points Save The bases...

physics 204

1.If a block weighs 30 pounds and has a static friction of .7 and a sliding friction of .55. a. How much force must be applied to just cause motion? b. Once motion has begun what force must be maintained to cause constant velocity motion? 2.A plank is tilted slowly to an angle...

physics II

What is the magnitude of the earth's gravitational field at the location of the ISS?

science

what are some items on earth that look similar to the moon?

social studies

What are some of the forces that change earth's surface

Social Studies

What are the physical features of the earth's surface called?

earth`s changing surface

the process that changes what rock is made of

Science

How does the Sun's rays hitting the Earth affect the seasons?

science

Explain the main factors that affect the Earth’s temperature.

SCIENCE

HOW THE SEASONS CHANGE AS EARTH REVOLVES AROUND THE SUN

earth science

where does the energy that drives the rock cycle come from

Earth science

the youngest part of ocean floor is found

Science

Why does Earth exert a stronger gravitational force than the Moon?

earth science

The area where precipitation and storms occur is a ? syestem.

science

calculate the mass in kg of an object that weighs 1225 n on earth

earth

A word for ater that flows downhillafter it rains 6 letters

Science

How do Scientists know the Sun is 93 million miles from the Earth? (How do they measure it)

Physical Science

What individual stated first that the earth was flat?

physical geography

what are the five most important paralells of the earth?

physical science

As an object approaches the Earth’s surface, what will its acceleration be?

Earth Science-9

What test is performed to determine the hardness of a mineral?

high school

why is clean water important to life on earth

9th grade

how many parts is earth's lithosphere divided into?

earth science

what are basic things that we should know about deposition?

astronomy

on which planets would you weigh nearly the same as on earth?

earth

At what reading on the Richter scale are classified mas major?

Please help me think of a thesis statement

on how humans are destroying the earth.

Geography

How does earth's revolution around the sun relate to seasons?

science

how does the atmosphere spread solar energy over the earth

geography

What is the Earth System that includes the Continental and Oceanic crust?

science

If te earth did not turn how would the pattern of tides be affected

science

which of earth's spheres extends into all others

Academy of Hospitality and Tourism at Erasmus

What is the earth science tables?

4th grade Science

How is the composition of Uranus different from Earth?

Physics

What is the weight (in Newtons) of an object with a mass of 25 kg on the surface of the Earth?

science on weather

how would earth be affected if its axis were not titled?

Earth and space science

what features are associated with subduction zones?

Science

What does the Space Shuttle use to land when returning to Earth ?

earth science

which type of mountyain is found on island arcs?

Language arts

What are the verbs in this phrase: The earth has seven continents

physics

Why is 9.8 used as g on Earth but nowhere else in the solar system? Explain.

Grammar

God created the heavens and the earth. What are the verbs in this phrase

spanish

where can i find the short story: What ought a man to do on earth.

science

Why does Mars' appear fainter than Venus, as seen from Earth?

8th grade earth science

how to find the longitude of meridians

Earth Science

What are the effects radiation has on the heating of land and water? Thank You.

1st grade

how many miles does the earth travles a minute or second ????

science

how far did the chile miners enter into the earth

physics

why is earth bulged at the equator?will any one explain me about this?

earth

what is an eleven letter word produced by geothermal plant

Life science

That portion of the earth in which living organisms are found?

Geology

How does the geothermal gradient vary with depth within the Earth?

earth

describe the relationship between mass movement and gravity?

earth science

During an earthquake, the ground surface ____.

Earth Science

Which of the following layers of the atmosphere is closest to the ground?

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