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Recent Homework Questions About Earth
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geography
for my assignment i need to write a report about the 1999 turkish earthquake. i need to include photos maps facts graphs and eye witness accounts. if anyone knows any good websites i will be truely grateful. i got my assignment today and have only got intil monday to complete ...
Geography
26. Which of the following statements about New Zealand's first inhabitants is NOT true? a. the origin of the Maoris is in dispute by scholars b. the Maoris lost most of their land in the 1800s to British colonists. c. the Maoris are trying to reassert their claims to the ...
physics
A 71.4 kg satellite orbits the earth at a distance of 7.00E6 m from the center of the earth (a distance of 630 km above the earth's surface). How fast must the satellite be going to maintain its orbit if the free fall acceleration at this distance is 8.14 m/s^2?
physic
Hi,could anyone help me with this questin please. Thank you so much. some folks on your planet waant to travel to the moon.But what happens to their clocks, it they leave the Earth?for other bodies, like the moon or planets the acceleration due to gravity at their surfaces wil...
Academy of Hospitality and Tourism at Erasmus
What is the earth science tables?
physics
In a gas at standard temperature and pressure, what is the length of the side of a cube that contains a number of molecules equal to the population of the earth (about 6 million people at present)? I know STP is 1 atm and 273K, but I have no clue how to start this problem. Any...
Science
Describe the sizes of the different digestive organs in earthworms. Which organ is the largest? How does its size make it well suited for its function?
earth science
What effects do convection currents have on the mantle and crust that would not happen if convection currents didn't exist?
Physics
An asteroid revolves around the Sun with a mean orbital radius twice that of Earth's. Predict the period of the asteroid in Earth years. (6.38*10^6 radius) I dont understand how to solve this problem.
physics entry
A meteor headed straight towards the earth has an approach speed of 2.00e3 m/s at a distance of 7 earth radii from the center of the earth. What will be its speed when it reaches earth a 6.38e6 m(ignore the effects of atmosphere)?
English
What makes our earth sick? - Steel cans make the earth sick. - Shampoo makes the earth sick. - Empty bottles make the earth sick. - Plastic bags make the earth sick. - ___________ make/makes the earth sick. (Are the answers all grammatical? What other expressions can we use in...
Earth Science
What are two forces that cause the Earth's surface to constantly change and what are their effects on the planet? Please help I do homeschooling and I'm super behind in science please answer before 12:00 p.m. on 11-17-09
12th grade English
I need to write a one page response essay to the quote "you can no more win a war than you can an earthquake"..........please help! Not good at writing. Thank you
Chemistry
About twenty radioisotopes with ultra-long half-lives, from 82 million years (244- Plutonium) to 6 million billion years (50-Vanadium) are found in the earth’s crust, yet no radioisotopes with half-lives less than 70 million years (146- Samarium) are found. Why not? Use t...
Thomas Malthus
Thomas Malthus was a clergyman so is it safe to say that he did not believe in anything opposing the bible? Is it safe to say that as a firm believer in faith, he was certain that God created the Earth and the life on it? What can i say about Malthus's views on the Earth&#...
Physics
A satillite is orbiting the earth at a distance of 1.00X10^3 km above the surface of the earth. What is it's speed?
Physics
(a)Compute the value of G at a point in space that is 7.0X10^6 m from the center of the earth. What will be the value of G at a point with a radius twice that in (a)?
Physics
At what speed must a satellite of a mass M be launched horizontally at the surface of the earth if it's orbit is to be a circle just grazing the highest mountains?( assume no air resistance). How much time would elapse between successive passes of this imaginary satillite?
physics
Consider an asteroid with a radius of 15.5 km and a mass of 3.46E+15 kg. Assume the asteroid is roughly spherical. What is the acceleration due to gravity on the surface of the asteroid? Suppose the asteroid spins about an axis through its center, like the Earth, with a rotati...
ap enviromental
for a very long time, prokaryotes were the only living creatures on earth. how long a period? i would appreciate a straight answer please!!!
physics
A plane flying horizontally above Earth’s surface at 150. meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? I know the answer ...
Hurricanes are very dangerous
could you help me find something that will help me write a paragraph on hurricanes are very dangerous to earth and people causing tremendous devastation.
English
Shy I, with earth, share mirth Muse over goodwill's dearth Meaning sinning find in few Due to high IQ, I find you in long queue Bird herd shepherd owl eerie make night dreary Lone lamppost Tree big bloom bird host Hello shallow call wall view On frond shine morn dew Haunt ...
algebra 2
You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1.1. the weight of an object follows this equation: , where C is a constant, and r is the distance that the object is from the center of the earth...
algebra
You may have to convert from feet to miles several times 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 that the weight of an object on earth also varies a...
algebra
I need help badly with this assignment. If Venus is 33.3 million miles farther from the sun than Mercury, then Earth is 25.6 million miles farther from the sum than venus. When the total of the ditances for these three planets from the sum is 191.2 million miles, how far away ...
science
which of earth's spheres extends into all others
science
which of earth's spheres extends into all others? i think it would be the Biosphere because overlaps virtually the entire hydrosphere and portions of the 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
sat essay
please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and misleading. Things are not t...
sat essay
please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and misleading. Things are not t...
earth
What is the difference between a resource and a condition
English
1. What makes our earth sick? Gases from cars make the earth sick. Paper cups make the earth sick. _________ make(s) the earth sick. _________ make(s) the earth sick. (Would you name what makes the earth sick? The more,the better. The things suitable for the subject? Thank you.)
Physics
Some people believe that the Moon controls their activities. The Moon moves from being directly on the opposite side of Earth from you to be being directly overhead. Assume that the Earth-Moon (center-to-center) distance is 3.82 multiplied by 108 m and Earth's radius is 6....
Physics
An astronaut stands on the edge of a lunar crater and throws a half-eaten Twinkie™ horizontally with a velocity of 2.2 m/s. The floor of the crater is 95.4 m below the astronaut. What horizontal distance will the Twinkie™ travel before hitting the floor of the crater...
algebra
the profit made fram the sale of a dvd players from a company is found by subtracting the costs from the revenue. p=r+-c. Suppose that the companys revenue can be expressed with the function R(x)=x^2+59x and that the total costs for the company can be determined by the functio...
Grammar and Composition
I have to write a speech and record it on a tape. Pet Peeve Speec You will create a "Pet Peeve" Speech. A "Pet Peeve" is one of those little every day occurrences that bugs you, upsets you, or frustrates you. You will use the extemporaneous delivery for you...
earth science
Describe the change in duration of insolation from the Equator to the North Pole A) In the winter b) In the summer c) on the Equinox
earth science
Describe the change in duration of insolation from the Equator to the North Pole A) In the winter b) In the summer c) on the Equinox
math
The Moon orbits Earth every 27.3 days. Determine the angular velocity of the Moon, in degrees per day and in radians per day. The radius of the orbit of the Moon is about 384 400 km. How far does the Moon move along an arc of it's orbit every?
4th grade science
What kind of heat transfer cause Earth's najor wind pattern?
Physics
Hi, I had some questions about Physics and Newton’s Three Laws of Motion and was wondering if someone could possibly help me. I wasn't sure if my answers were correct and I need to make sure they are. #1 Write out in words what “acceleration ~ net force” mea...
physics - HELP ASAP!
A 3.60 kg ball is dropped from the roof of a building 184.8 m high. While the ball is falling to earth, a horizontal wind exerts a constant force of 12.1 N on the ball. (acceleration of gravity = 9.81 m/s^2) How far from the building does the ball hit the ground? What is the s...
Physics
Hi, I had some questions about Physics and Newton’s Three Laws of Motion and was wondering if someone could possibly help me. Some of the questions I wasn’t sure about the answers. #1 Write out in words what “acceleration ~ net force” means. My Answer: I th...
science
what are the four major fields of earth science? please help and thank you
physics
A 3.60 kg ball is dropped from the roof of a building 184.8 m high. While the ball is falling to earth, a horizontal wind exerts a constant force of 12.1 N on the ball. How long does it take to hit the ground? (acceleration of gravity = 9.81 m/s^2)
physics
Upon its return voyage from a space mission, the spacecraft has a velocity of 24000km/h at point A, which is 7000km from the center of the earth. Determine the velocity of the spacecraft when it reaches point B, which is 6500km from the center of the earth. The trajectory betw...
Physics
Jessica's weight is 540 Newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540N, then Jessica pulls on the Earth with a force of 540 Newtons that acts in the opposite direction. However, if Jessica stumbles while rollerblading, she wil lfall...
Science
where can i find a good site that will show me the change's of the earth's atmosphere?
Physics
You want to make an old-fashioned pendulum clock, with a period of exactly 1.4 second(s). Use the Earth's gravitational acceleration g = 9.8 m/s2. a) Ignoring the size of the pendulum bob, from what length wire should you hang your pendulum bob? .4865 m b) If you release t...
physics universal gravity
find the gravitaional force of the sun that acts on a 50 kg peron standing on earth. mass of the sun = 2E30 kg distance from sun to earth = 1.5E11 m radius of earth = 6.4E6 m
Earth Science
Earth is always changing. What are two forces that cause the earth's surface to constantly change and what are their effects on the planet? Please answer within a few minutes.
Grammar and Compositon Bobpursley
Ok! I put a good hour into this, and I really did try. Please don't be harsh if there are a lot of mistakes. Drafting-Organization Sheet 1)_____________Phone Book Names_________________ 2)_____________John E. Mackintosh_________________ 3)___________________rich___________...
physics
A 3.00 kg ball is dropped from the roof of a building 176.4 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 12.0 N on it. a.)How far from the building does the ball hit the ground? b.)How long does it take to hit the ground? c.)What is ...
Essay for AP English
Would someone be willing to critique and edit my essay? Thanks so much! PROMPT: Read the two sermons "Sinners in the Hands of an Angry God" and "Beauty of the World" by Jonathan Edwards. Compare and contrast the rhetorical strategies of tone, lexicon, and s...
Calc
Newton's Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is the following. F=(GmM)/r^2 Here G is the gravitational constant and r is the distance between the bodies. (a) Find dF/dr (b) Suppose it is known that Earth...
physics - forces
Calculate the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 2600 km.
phyics-universal gravity
A hypothetical planet has a radius 3.3 times that of Earth, but has the same mass. What is the acceleration due to gravity near its surface? (downward)
phyics-universal gravity
Calculate the force of gravity on a spacecraft 6400 km (1 earth radii) above the Earth's surface if its mass is 1600 kg.
science
The gravitational force of the Earth in relation to the gravitational force of everything else on Earth represents a(n) _____ that causes everything to all toward the center of the earth. Is the answer unbalanced force; balanced force; centrifugal force; or centripetal force?
earth
how Earth would be different today, if it contained no radioactive material
Physics
Calculate the acceleration due to the rotation of the Earth of a person in a location 26° northern geographical latitude. Use REarth = 3,686 km for the value of the radius of the Earth.
Life Science
By living in areas where other organisms inhabit,humans change the environmental conditions for those organisms. Describe two ways humans impact the environment and what the effects are on the earth? Thesse can either be positive or negative. Please answer in a few minutes.
Physics
When a falling meteor is at a distance above the Earth's surface of 2.78 times the Earth's radius, what is its free-fall acceleration caused by the gravitational force exerted on it?
trig
At the winter solstice, the power, in watts, received from the Sun on each square metre of Earth's surface can be modelled by the formula P = 1000sin (x + 113.5 degrees), where x represents the angle of latitude in the northern hemisphere. a) Determine the angle of latitud...
Advance Biology
What is the relationship between CFCs and the Earth's protective layer?
Advance Biology
I need help writting exactly 25 words to describe the relationship between CFCs and the Earth's protective ozone layer.
physics
3) A satellite is orbiting Earth at a distance of 57 kilometers. The satellite has a mass of 96 kilograms. What is the force between the planet and the satellite? (Hint: Don't forget that the distance between them in the equation represents the distance to the center of th...
Writing I
Label each sentence below. Use S for simple, CD for compound, CX for complex, and CD-CX for compound-complex. 1. Do you know the theory of black holes? 2. Objects in space have gravitational pull, so smaller objects are attracted to larger object. 3. Throw a rock into the air,...
English
This topic is deleting satistical data and examples. original material Water is an important part of the earth.In fact, water is the reason human beings live on the planet.Water is everywhere.It is in the atmosphere, the air that people breathe. it is in the soil, the ground t...
Science
Why is it cooler at the earth survice on cloudy days?
6th grade
earths diameter is approxametly 8000mi at th equator.how fast is the earth spinning?
marine science
how does the earth redistribute the uneven amount of solar energy recieved by earths surface
physics
How long would it take for the Earth to complete a full turn if a person at 27° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,379 km for the radius of Earth. Help me please!
science
hurricanes in the northern hemisphere always travel north while hurricanes in the southern hemisphere always travel south. This is due to the earths _______ and is called the ________ ________. can you help me fill in the blanks
Physics
An airplane pilot tries to fly directly east with a velocity of 800.0 km/h. If wind comes from the southwest at 80.0 km/h, what is the relative velocity of the airplane to the surface of Earth?
English A1 Poem
All afternoon my brothers and I have worked in the orchard, Digging this hole, laying you into it, carefully packing the soil. Rain blackened the horizon, but cold winds kept it over the Pacific, And the sky above us stayed the dull gray Of an old year coming to an end. In Sic...
physics
calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above Earth's surface if its mass is 1350 kg. i know the universal gravitation formula is Fg = G [(m1 m2)/ r^2] but im not getting anywhere near the multiply choice answers of: 14,470, 441...
advanced functions
The Moon has a diameter of about 3480 km and an orbital radius of about 384 400 km from the centre of Earth. Suppose that the Moon is directly overhead. What is the measure of the angle subtended by the diameter to the Moon as measured by an astronomer on the surface of Earth?...
physics
How long would it take for the Earth to complete a full turn if a person at 24.1° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,375 km for the radius of Earth. Thank you
Physics
A satellite orbits at an average altitude of h = 409 km. What is its orbital speed? Use REarth = 6370 km and mEarth = 5.98 x 10^24 kg
Physics
How long would it take for the Earth to complete a full turn if a person at 49.2° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,385 km for the radius of Earth
Physics
When land ice on Antarctica melts and flows into the sea, eventually it circulates and therefore distributes uniformly over the earth's oceans. As a result, does the earth's rotational speed increase, decrease or remain unaffected? (If it does have an effect, how does ...
physics
How fast would the Earth have to spin to have the person at 24.1° northern geographical latitude float apparently weightlessly across the room? Use REarth = 6,375 km for the radius of Earth. Thanks
physics
A satellite orbits at an average altitude of h = 423 km. How long does it need to complete one full orbit? Use REarth = 6370 km and mEarth = 5.98 x 10^24 kg
Geography
I'm writing a paper about sedimentary rocks. My goal is 700 words but I'm stuck. can someone read this and let me know if I'm overlooking some important facts? ************************************* Sedimentary rocks are rocks that have accumulated at the surface of...
Geography
Compare and contrast the various sources of energy. ---my teacher told me to do renewable and non-renewable. this is what i got: Energy sources are of two types: nonrenewable and renewable. Energy sources are considered nonrenewable if they cannot be replenished in a short per...
SAT essay
Most of us tend to accept the opinions of the authority because we believe that those who are in the position of authority are more likely to know the truth and make wise decisions. However, the people in authority can sometimes make mistakes. If we stick to their ideas withou...
earth science
Why are some crystals large and perfect, while others are small and irregular? The only answer in my book that seems close is : The crystal shape, hardness, cleavage and density of a mineral are determined by the internal arrangement of its atoms or ions. I don't see anyth...
Geography
48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) --I posted this yesterday and bobpursley told me I had some wrong information so I fixed up the essay a bit. Is it OK? The air movements toward the equator are called trade winds- ...
Geography
48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) --I posted this yesterday and bobpursley told me I had some wrong information so I fixed up the essay a bit. Is it OK? The air movements toward the equator are called trade winds- ...
Biology
Which is the most common complex carbohydrate on earth? A. Starch B. Glycogen C. Cellulose D. Hemicellulose E. Chitin
Physics
What is the work required to raise a 10. kg object from the surface of the Earth to a height of 2.0 m? 5.0 J 20. J 2.0 E2 J 2.0 E3 J My answer was 20. J but this was wrong. Is the answer 2.0 E2 J? A net force of 9.0 N acts through a distance of 3.0 m in a time of 3.0 s. The wo...
physics
A 2-kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth (g) is equal to 9.8 m/s2.
physics
It has been suggested that rotating cylinders about 12 mi long and 4.6 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth?
science
If te earth did not turn how would the pattern of tides be affected
Earth Scince
Can crude oil burn in the Earth if it comes in contact with magma?
physics
suppose the moon were held in its orbit not by gravitational interaction with the Earth but by a long, mass-less cable attached to the center of the earth. What would be the tension in the cable?
Earth Science
On the surface of the earth, it is approximately 6,200 miles from the equator to the north or south pole. How many miles is it between 2 parallels 1 degree apart?
Probablity
What are the odds against an earthquake occuring on a certain day in a certain area if the odds of it occurring is 0.05?
10th grade English
This is the ruff draft of my speech on environment conservation. I am the first speaker of my group so if I mention some names or awkward ending, it is because of that. Please fix any awkward phrases or mistakes as soon as possible. Thanks Can we achieve both economic growth a...
9th grade (math)
the surface of our earth is 20'c for every km, k below the surface the tempature increses by 10'c. let t represent the tempature in 'c 1a write an equation that represent the relationship between disatnce k and t tempature 1b. what is the slope and and y-intercept
math
the serface of our earth is 20'c for every km, k below the surface the tempature increses by 10'c. let t represent the tempature in 'c 1a write an equation that represent the relationship between disatnce k and t tempature 1b. what is the slope and and y-intercept
PHYSICS
Suppose you are in a spaceship in freefall between Earth and the moon. How could you distinguish between a lead brick and an ordinary brick if you were blindfolded and wore gloves?
math
the steps to a math quiz. the earth rotates once every 23 hours 36 minutes 4 seconds.how many seconds is that?
Grammar and Composition
please check my answers: 1. Blunt is to dull as: a. effective is to useless b. unhappy is to ecstatic c. eerie is to mysterious d. challenge is to easy C 2. Odometer is to distance as: a. ruler is to inches b. uniform is to team c. detergent is to soil d. napkin is to table A ...
Physics
The mass of a certain planet is six times the mass of the earth and the diameter of the planet is twice the diameter of the earth. Find the acceleration od gravity on the surface of this planet. HELP ME SOLVE! THANKS!
Physics
What does it mean to say that angular momentum is conserved? Give an example of what you might see on Earth. How could conservation of angular momentum help astronomers understand the development of the solar system?
Physics
What does it mean to say that angular momentum is conserved? Give an example you might see on Earth. How could conservaton of angular momentum help astronomers understand the development of the solar system?
geography
Case study 1 Country:Japan, Date:17th Jan 1995, Area:Kobe, Type of settlement:City, Tectonic plates involved: Pacific plate and Eurasian plate, Richter Scale magnitude:7.3, Duration of earthquake:20 seconds, Estimate death toll:6500. Case study 2 Country:Indian, Date:1st Sept ...
physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...
physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...
math
on earth, in the absence of air, the rock in excersise 13 would reach a height of s=24t- 4.9t^2 meters in t seconds. How high would the rock go? (exercise 13:a rock thrown vertically upward from the surface of the moon at a velocity of 24m/sec reaches aheight of s=24t-0.t^2.
earth science
list four methods that modern map-makers use to make accurate maps
physics
If an astronaut dropped a small rock near the surface of Pluto, how far (in m) would the rock fall in 1.1 s? (The mass of Pluto is 2.500×10-3 the mass of earth and the radius of Pluto is 0.18 of the earth's radius.)
Physics
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its engines then fire and it accelerates upward at 4.20 m/s2 until it reaches an altitude of 960 m. At that point its engines fail, and the rocket goes into ...
physics
If an astronaut dropped a small rock near the surface of Pluto, how far (in m) would the rock fall in 1.1 s? (The mass of Pluto is 2.500×10-3 the mass of earth and the radius of Pluto is 0.18 of the earth's radius.)
premise and conclude
One might explain the difference in reaction by saying that we naturally respond more strongly to the deaths of Americans closer to home than to those of others halfway around the world. But then consider the fact that, every month during 2001 more Americans were killed in au...
Physics
The mass of Venus is 0.8140 times that of earth, and its radius is 0.950 times that of earth. Calculate the acceleration of gravity at the surface of Venus. Express your answer in g's (i.e. as a ratio to our acceleration of gravity). 9.01×10-1 is the correct ratio Ca...
Physics
A rock is falling towards the Earth. Suppose the action force is the pull of the Earth on the rock. What is the reaction force? I do not know how to find the reaction force.
CRT/205
Instructions • Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Then, answer the following questions for each argument, making sure to explain how you arrived at your answers. o Do the premises suffici...
math
If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 0.05, what are the odds against an earthquake? multiple choice A) 20 : 1 B) 1 : 20 C) 18 : 1 D) 19 : 1 3
physics
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its engines then fire and it accelerates upward at 4.20 m/s2 until it reaches an altitude of 960 m. At that point its engines fail, and the rocket goes into ...
science
is a news article the same as a news story is this a news article or a news story? Is Garbage The Solution To Tackling Climate Change? ScienceDaily (Oct. 3, 2009) — Converting the rubbish that fills the world’s landfills into biofuel may be the answer to both the gro...
science
what is radio metric dating of the earth and how does it wor?
physics
A meteor P is tracked by a radar observatory on the earth at O. When the meteor is directly overhead (theta = 90), the following observations are recorded: r = 80km, r'= -20km/s, and theta'= 0.4rad/s. (a) Determine the speed of hte meteor and the angle, beta, which it&...
physics
what is the angular speed of Earth around the Sun in radians per second
college
find an approxiamte value for the rate at which the moon orbits the earth. Assume that the moon's orbit is circular. the distance between the moon and earth is 382,000,000 meters.
physics
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.8 m/s at ground level. Its engines then fire and it accelerates upward at 3.90 m/s2 until it reaches an altitude of 920 m. At that point its engines fail, and the rocket goes into ...
science
what factors should be kept constant when comparing your weight from mars to earth
Physics
he weight of an astronaut on the moon is 127 N, where the value of 'g' is only 1.7 m/s2. What would the weight of this astronaut be on the Earth (in N)? I dont know if my attempt is rite? 127n/1.5ms^2 74.70N Divide 74.70N with earth value of G. What is the earths value...
Physics
How would the sun's gravitational force on earth change if Earth had twice its present mass?
math
If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 0.05, what are the odds against an earthquake
Physics urgent
What is the weight of a 76 kg astronaut on the Moon where the value of 'g' is only 17% the strength of 'g' on the Earth? (Answer should be expressed in N).
social study
what five themes do geographers use to study the earth?
physics
At what altitude above the Earth's surface is the acceleration due to gravity equal to g/128? i did g/128=(G*Earth's mass)/r^2 then solved for r and got 72080960. its within 10% of the correct answer but not correct. what am i doing wrong? (ive already rounding differe...
Earth Science
Why is the speed of Earth's rotation different at the equator than it is at the poles?
space
in whgich group are the spheres of earth listed in order of increasing density?
space
does taking a photo from outer space help earth spherical shape?
earth science
how do you draw a landscape region?
Physics
If a 20 kg object fell to the surgace of the Earth from a height of 30m, what would its final velocity be? (work from the energy standpoint) I know that you said it is F * X and I'm just confused. Can you help me walk through this?
Science
when volcano erupts do earthquake occur during the eruption please help
world geography
the word aborigine comes from the latin ab orgine and means: A)"the people" B)**"from the beginning" c)"out of the earth" D)"to the end"
2nd grade
what is a part of the earth that is shaped in a special way, is that a landform
Science
On the surface of the Earth, it is approximately 6,200 miles to the North or South pole. How many miles is it between two parallels 5 degrees apart?
Physics
A spaceship of mass m travels from the Earth to the Moon along a line that passes through the center of the Earth and the center of the Moon. (a) At what distance from the center of the Earth is the force due to the Earth five times the magnitude of the force due to the Moon? ...
Grade 12 Chemistry
How does the rate of corrosion of iron on the moon compare to that on earth? I need enough info to write a whole paragraph on it...plz help
Physics
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 360 km above the earth's surface, while that for satellite B is at a height of 720 km. Find the orbital speed for each satellite.
Physics
If a 20 kg object fell to the surgace of the Earth from a height of 30m, what would its final velocity be? (work from the energy standpoint)
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