Tuesday
July 28, 2015

Homework Help: Science: Earth

Recent Homework Questions About Earth

SCIENCE
AT WHAT HEIGHT ABOVE THE EARTH'S SURFACE DOES THE ACCELERATION DUE TO GRAVITY FALL TO 1% OF ITS VALUE AT THE EARTH SURFACE
Sunday, December 9, 2012 by DEEPAK

physics- please explain
Why is the following situation impossible? A librarian lifts a book from the ground to a high shelf, doing 20.0 J of work in the lifting process. As he turns his back, the book falls off the shelf back to the ground. The gravitational force from the Earth on the book does 20.0...
Saturday, December 8, 2012 by Anya

Science
If the earth's rotation slowed down, how would that affect the winds in the US?
Friday, December 7, 2012 by Anonymous

Physics
How far is the center of mass of the Earth-Moon system from the center of the Earth? The Earth's mass is 5.97e24 Kg, the Moon's mass is 7.4e22 Kg, and the distance between their centers is 3.8e8m.
Friday, December 7, 2012 by Osamudiamen

physics
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space. The radius of Earth is about 6400 km. Show why this objection is wrong by determining the following information. (a) Calculate the speed of a 94-kg ...
Thursday, December 6, 2012 by Danny

algebra
the formula d=(square root)12,800+h^2 gives the distance d in kilometers to the horizon from a satellite h kilometers above Earth.Find the distance to the horizon to the horizon from a satellite 4200 km above Earth. Round to the nearest kilometer. PLEASE HELP ME
Thursday, December 6, 2012 by alexis

BAA App. Essay Help! (please read!)
One of my personal achievements has to do with artistic. When I was in the 7th grade I participate in the 2012 Reflections Competition. The theme was "Diversity Means...". I decided to do visual arts. In my art work, I drew a huge earth and on top of the earth I drew...
Wednesday, December 5, 2012 by Laruen

reading
Why do you think the earth's crust is thicker under land than under bodies of water?
Wednesday, December 5, 2012 by les

physics
Sally has a mass of 58.0 kg and Earth has a mass of 5.98 1024 kg. The radius of Earth is 6.371 106 m. What is the force of gravitational attraction between Sally and Earth? What is Sally's weight?
Wednesday, December 5, 2012 by Anonymous

Math 8th Grade Please help
The radius of Earth is 6,371 kilometers. A space shuttle orbits 315 kilometers above the surface of Earth. The space shuttle completes 240° of a revolution around Earth in one hour. What is the average speed of the space shuttle? Choose the closest answer. Please help both...
Wednesday, December 5, 2012 by Chris

science
at what altitide(height above earth's surface) would temperatures be 22 degrees C?
Wednesday, December 5, 2012 by alex

dynamics of rigid bodies
prove that the weight of an object on the moon is approximately one-sixth of its weight on earth
Tuesday, December 4, 2012 by Anonymous

PHYSICS URGENT! PLEASE FRICTION CASE 2
A 13 kg box is at rest on a level floor. The coefficient of static friction µS = 0.9 and the coefficient of kinetic friction µK = 0.8. Audrey is applying a 140 N push at an angle (=20°) as shown in Figure 1. C) What is the magnitude of FNormal on box from Earth?
Tuesday, December 4, 2012 by Sophia

physics
A long, straight wire lies on a horizontal table and carries a current of 3.05 µA. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 3.00 104 m/s at a distance d above the wire. Ignoring the magnetic field due to the Earth, ...
Tuesday, December 4, 2012 by Anonymous

Social Studies
What percentage of the world's earthquakes and active volcanoes occur on the "Ring of Fire"? 1) *10% 2) *20% 3) *50% 4) *80% My Answer. Is It Correct? Please Be Honest. #4: 80% The name of Earth's single, huge continent from over 250 million years ago is 1) *...
Tuesday, December 4, 2012 by !!!!Please Answer Ms.Sue The Real One!!!!

social studies
Despite temperatures of more than 5,000º F, Earth's inner core is solid because of _____________________. a layer of ice just above it. the fact that Earth rotates so quickly. a thickness of over 1,000 miles. great pressure from the layers around it.
Tuesday, December 4, 2012 by Sammy, !!!Please Answer!!

Physics
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space. The radius of Earth is about 6400 km. Show why this objection is wrong by determining the following information. (a) Calculate the speed of a 94-kg ...
Monday, December 3, 2012 by Caleb

7th grade Social Studies Ms. Sue
1. Which climate region dominates most of Northern Africa? (1 point) humid continental highland tundra arid 2. What kind of storm covers the largest area? (1 point) rainstorm blizzard hurricane tornado 3. Earth’s climate is affected by latitude, landforms, and a ...
Monday, December 3, 2012 by Delilah

Trigonometry
A satellite orbiting the earth in a circular path stays at a constant altitude of 100 kilometers throughout its orbit. Given that the radius of the earth is 6370 kilometers, find the distance that the satellite travels in completing 70% of one complete orbit.
Monday, December 3, 2012 by Karen

Check my answers
1. The division of Earth’s history into smaller units makes up the ____. eras geologic time scale*** periods sequence of events 2. Today, some scientists think that ____. birds evolved from dinosaurs dinosaurs evolved from fish birds evolved from amphibians both a and b...
Monday, December 3, 2012 by Jman

social studies
Multiple Choice 1. While Earth's orbit around the sun takes roughly 365 days, a single rotation of Earth takes about 8 hours. 24 hours. 1 month. 12 months. 2. During the summer solstice in the United States, the ______ _______ is tilted farthest toward the sun. Northern ...
Monday, December 3, 2012 by Sammy=( plzz answer!!

maths
A well of diameter 7cm is dug 22.5m deep.The earth taken out it is spread evently all around it to a width of 10.5 to from an embankment .find the height of the embankment.
Monday, December 3, 2012 by simranpreet

physics
. The space shuttle typically orbits 400 km above the earth's surface. The earth has a mass of 5.98 × 1024 kg and a radius of 6,380 km. A) How much would a 2000 kg part for the space station weigh when it has been lifted to that orbit in the shuttle's cargo bay? ...
Monday, December 3, 2012 by Chelsey Achord

Physics
Use 5.98 × 10 24 kg as the mass of the Earth. A 2350 kg meteorite has a speed of 143 m/s just before colliding head-on with the Earth. Determine the recoil speed of the Earth. Answer in units of m/s
Sunday, December 2, 2012 by Emily

Science
Express mass of the Earth in unit of M. Take ME = 6 x 1024kg.
Sunday, December 2, 2012 by Sanjay

Science
Express mass of the Earth in unit of M. Take ME = 6 x 1024kg. The apparent magnitude of the sun is £¡ 26.81 and that of another star is£¡1.81. How much brighter the sun is with respect to that star ?
Sunday, December 2, 2012 by Sanjay

Physics [No Math]
When calculating weights away from Earth's surface, for example: At 6.38x10^3 km away from Earth's surface a spacecrafts weight is d=rE+rE Then F=(1/4)(SpaceCraftWeight) Why is the distance 2rE?
Sunday, December 2, 2012 by Mikey

Physics
A spy satellite orbiting at 160 km above Earth's surface has a lens with a focal length of 3.6 m and can resolve objects on the ground as small as 30 cm. For example, it can easily measure the size of an aircraft's air intake port. What is the effective diameter of the...
Sunday, December 2, 2012 by Brian

wireless communications
what is the period of the space shuttle traveling at 250km above the earth and what is its velocity
Sunday, December 2, 2012 by tony

Physics
A 83.5 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several seconds later is 35.5 m behind the ship, at rest relative to the spaceship. The only way to return to the...
Sunday, December 2, 2012 by Emily

physics
An object is projected upward from the surface of the earth with an initial speed of 2 km/s. The acceleration of gravity is 9.81 m/s^2. Find the maximum height it reaches. Answer in units of km.
Friday, November 30, 2012 by michelle

physics
A projectile is shot straight up from the earth's surface at a speed of 1.50×104 .
Friday, November 30, 2012 by rick

Physics, Please Help
A 2130-kg space station orbits Earth at an altitude of 455 km. Find the magnitude of the force with which the space station attracts Earth. The mass and mean radius of Earth are 5.98 × 1024 kg and 6370 km, respectively.
Thursday, November 29, 2012 by Mike

7th grade social studies Ms. Sue please
1. While Earth's orbit around the sun takes roughly 365 days, a single rotation of Earth takes about (1 point) 8 hours. 24 hours. 1 month. 12 months. 2. During the summer solstice in the United States, the ______ _______ is tilted farthest toward the sun. (1 point) ...
Thursday, November 29, 2012 by Delilah

earth
i have an acrostic poem i have to do for school on describing warm and cold fronts, but i can't think of some of the words
Thursday, November 29, 2012 by person

Physics
Suppose a meteor of mass 3.30 1013 kg is moving at 32.0 km/s relative to the center of the Earth and strikes the Earth. Suppose the meteor creates the maximum possible decrease in the angular speed of the Earth by moving toward the west and striking a point on the equator ...
Thursday, November 29, 2012 by Avery

earth science
what would be the chart to use for carbon 14 whcih has a half life of 5730 years and a piece of wood which originally has 12 grams pf radioactive isotope; If the half lives occurred and now has 0.75 grams left?
Thursday, November 29, 2012 by lan

earth science
if carbon 14 has a half life of 24 days how much would be left of 220 gram sample after 168 days
Thursday, November 29, 2012 by lan

earth science
if carbon 14 has a half life of 24 days how much would be left of 220 gram sample after 168 days
Thursday, November 29, 2012 by lan

earth science
if carbon 14 has a half life of 24 days how much would be left of 220 gram sample after 168 days
Thursday, November 29, 2012 by lan

science
What does it mean to be a successful organism? Is bacteria the most successful organisms on earth?
Thursday, November 29, 2012 by Katie

Physics
Two different simple harmonic oscillators have the same natural frequency (f=5.60 Hz) when they are on the surface of the Earth. The first oscillator is a pendulum, the second is a vertical spring and mass. If both systems are moved to the surface of the moon (g=1.67 m/s2), ...
Wednesday, November 28, 2012 by Emily

Physics
An aluminum wire with mass/unit length of p = 5*10^-4 kg/m lies on the ground, running east-west. The wire feels the earth's magnetic field, which has magnitude B = 5*10^-5 T. Assume the wire is in Columbia, where the Earth's magnetic field runs due north, parallel to ...
Wednesday, November 28, 2012 by Huy Nguyen

Physics
A satellite is orbiting the earth at a distance of 1.00 x 10^3 km. What is its speed?
Wednesday, November 28, 2012 by Andrew

earth space
What man made or natural features can interfere with the weather radar?
Wednesday, November 28, 2012 by jay

earth
Hello.. Which four gases did the earth`s atmosphere coantain in the first billion years?
Wednesday, November 28, 2012 by Niks

physics
i cant solve this problem i need for help please through how many does a point on the earth's surface move in 6h as a result of the earth's rotation ? what is the speed of a point on the equator ? take the radian of the earth to be 6370 km thank you
Wednesday, November 28, 2012 by need for help

physics
i cant solve this problem i need for help please through how many does a point on the earth's surface move in 6h as a result of the earth's rotation ? what is the speed of a point on the equator ? take the radian of the earth to be 6370 km thank you
Wednesday, November 28, 2012 by need for help

College Physics
A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of the Earth (apogee), its...
Tuesday, November 27, 2012 by Lelia

College Physics
A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of the Earth (apogee), its...
Tuesday, November 27, 2012 by Lelia

College Physics
Suppose a planet is discovered that has the same total mass as the Earth, but half its radius. Calculate the acceleration due to gravity on the surface of this planet.
Tuesday, November 27, 2012 by Katie

Physics
A satellite in an elliptical orbit has a speed of 9.00km/s when it is at its closes approach to the Earth(perigee). The satellite is 7.00x10^6 m from the center of the Earth at this time. When the satellite is at its greatest distance from the center of the Earth (apogee), its...
Tuesday, November 27, 2012 by Lelia

physics
An astronaut throws a wrench in interstellar space. How much force is required to keep the wrench moving continuously with constant velocity? Select one of the options below as your answer: A. a force equal to its weight on Earth B. a force equal to zero C. a force equal to ...
Tuesday, November 27, 2012 by lili

Physics Please Help ASAP
Suppose the space shuttle is in orbit 390 km from the Earth's surface, and circles the Earth about once every 92.4 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, the gravitational acceleration at the Earth&#...
Monday, November 26, 2012 by Sierra

Physics ASAP
Suppose the space shuttle is in orbit 390 km from the Earth's surface, and circles the Earth about once every 92.4 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, the gravitational acceleration at the Earth&#...
Monday, November 26, 2012 by Sierra

physics
A pendulum has a period of 0.9 s period on Earth. An object is suspended from a spring with force constant 9.8 N/m. (d)Find the mass suspended from this spring that would result in a period of 0.9 s on Earth
Monday, November 26, 2012 by Anonymous

physics
What length of pendulum has a period of 0.9 s on Earth?
Monday, November 26, 2012 by Anonymous

physics
What length of pendulum has a period of 0.9 s on Earth?
Monday, November 26, 2012 by Anonymous

Physics
The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy change occurs when 6,000 J of energy is transferred by heat from the Sun to the Earth? (J/K)
Monday, November 26, 2012 by Sam

Physics
The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy change occurs when 6,000 J of energy is transferred by heat from the Sun to the Earth? ______J/K
Monday, November 26, 2012 by Sally

Earth Science
Develop a presentation on two ways technology has built on scientific knowledge?
Sunday, November 25, 2012 by Lizzie Saxon

Physics
A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle θ=30.0° (see figure). The block is NOT attached to the spring. The spring, with spring constant k = 19.6 N/cm, is compressed 20.0 cm from its unloaded equilibrium length and ...
Friday, November 23, 2012 by Andreea

Physics HELP!!
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Wednesday, November 21, 2012 by sarah

7th grade social studies
In the Earth's Sourthern Hemisphere, what season begins in March? Spring Summer Fall Winter
Tuesday, November 20, 2012 by Destiny

EARTH SCIENCE
You are given a 6-month assignment by your employer to work at a remote location in Australia. In order to pack as lightly as possible, you try to research the climate of a small town in Australia. There is little data since no major cities are located within 300 miles of the ...
Monday, November 19, 2012 by alice

Earth-Space Science
what factors might affect the length of the rays after an impact?
Monday, November 19, 2012 by Jade

trouble
Unlike elementary school, Elvis wasn't popular in high school. He didn't fit in well with the other kids, half due to his weird fashion style, and partly because of his shyness. In his senior year, his high school held a talent show which he entered not knowing what to...
Monday, November 19, 2012 by Bryce

Physics
For which of the following situations can the equation F = mg not be used to calculate the force due to gravity? a) The pull of gravity on an apple on the surface of the Earth. b) The pull of gravity on an airplane flying at an altitude of 8 km above the surface of the Earth. ...
Monday, November 19, 2012 by Kelvin

English-Grammar
The underlined words (I put them in parantheses) are an example of a(n) ___________. (When the earth, moon, and sun are in line), an eclipse occurs. A. adverbial clause B. adjectival clause C. noun clause My answer is C.
Monday, November 19, 2012 by anon

Physics
The surface of the Sun is approximately 5700 K and the temperature of the Earth's surface is about 290 K. What total entropy change occurs when 1000 J of heat of energy is transferred from the Sun to the Earth?
Monday, November 19, 2012 by P

Physics
A 50-kg satellite circles the Earth in an orbit with a period of 120 min. What minimum energy is required to change the orbit to another circular orbit with a period of 180 min? (Earth: radius = 6.4  106 m, mass = 6.0  1024 kg)
Sunday, November 18, 2012 by Annie

Physics ASAP
Use the following numbers for this question. MEarth 5.98e+24 kg MJupiter 1.9e+27 kg MSun 2e+30 kg Earth-Sun distance 150000000000 m Jupiter-Sun distance 778000000000 m rE 6380000 m rJ 69000000 m G = 6.67e-11 Nm2kg-2 the acceleration due to gravity at the surface of Jupiter has...
Sunday, November 18, 2012 by Sierra

Physics
Use the following numbers for this question. MEarth 5.98e+24 kg MJupiter 1.9e+27 kg MSun 2e+30 kg Earth-Sun distance 150000000000 m Jupiter-Sun distance 778000000000 m rE 6380000 m rJ 69000000 m G = 6.67e-11 Nm2kg-2 the acceleration due to gravity at the surface of Jupiter has...
Sunday, November 18, 2012 by Anonymous

Physics
The density of the Earth, at any distance r from its center, is approximately (14.2-11.6(r/R)*10^3) Kg/m^3, where R is the radius of the Earth. Show that this density leads to a moment of inertia I = 0.330MR2 about an axis through the center, where M is the mass of the Earth. ...
Sunday, November 18, 2012 by Avery

math
if an object on earth is projected upward with an initial velocity of 32 feetper second, then its height after t seconds in given by h(t)=32t-16t^2
Sunday, November 18, 2012 by Anonymous

Math Grade 12
So the question is basically asking which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Lanai - 65 - Lanaihale - 3,370 Maui - 110 - Haleakala - 10,023 Hawaii - 190 - Mauna Kea - 13,796 Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi...
Sunday, November 18, 2012 by Vanessa

Physics
Evaluate the following as true or false. If the Earth shrank in size, but all other factors remained the same, all of its satellites, including the Moon, would fly off into space. a) True b) False
Sunday, November 18, 2012 by Kelvin

Math
So the question is basically asking which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Lanai - 65 - Lanaihale - 3,370 Maui - 110 - Haleakala - 10,023 Hawaii - 190 - Mauna Kea - 13,796 Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi...
Saturday, November 17, 2012 by Jessica

Physics
How far apart must two protons be if the magnitude of the electrostatic force acting on either one due to the other is equal to the magnitude of the gravitaional force on a proton at the earth's surface?
Saturday, November 17, 2012 by Guy

Physics
It can be shown that for a uniform sphere the force of gravity at a point inside the sphere depends only on the mass closer to the center than that point. The net force of gravity due to points outside the radius of the point cancels. Part A How far would you have to drill ...
Friday, November 16, 2012 by Kaan

5th grade math
Given 257 sec, 15,000 feet per second Find the acceleration due to earth's gravity.
Thursday, November 15, 2012 by confused dad

Physics
Neglect the gravity of the Moon, neglect atmospheric friction, and neglect the rotational velocity of the Earth in the following problem. A long time ago, Jules Verne, in his book From Earth to the Moon (1865), suggested sending an expedition to the Moon by means of a ...
Thursday, November 15, 2012 by Tarbela Damme

physics
Use the data of this table to find the point between Earth and the Sun at which an object can be placed so that the net gravitational force exerted by Earth and Sun on this object is zero.
Wednesday, November 14, 2012 by monic

physics
A satellite has a mass of 106 kg and is located at 1.96 106 m above the surface of Earth. (a) What is the potential energy associated with the satellite at this location? J (b) What is the magnitude of the gravitational force on the satellite? N
Wednesday, November 14, 2012 by heather

PHYSICS
At what temperature would the rms speed of a nitrogen atom equal the following speeds? (Note: The mass of a nitrogen atom is 2.324 10-26 kg.) (a) the escape speed from Earth, 1.12 104 m/s _____K (b) the escape speed from the Moon, 2.37 103 m/s _____K
Wednesday, November 14, 2012 by Sarah

physics
It has been suggested that rotating cylinders about 12 mi long and 4.1 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?
Wednesday, November 14, 2012 by monic

analyzing poems
Spatial depths of being survive The birth to death recurrences Of feet dancing on earth of sand; Vibrations of the dance survive The sand; the sand, elect, survives The dancer. He can find no source Of magic adequate to bind The sand upon his feet, his feet Upon his dance, his...
Wednesday, November 14, 2012 by greeny

English
1. Plants grow in earth. 2. Plants grow on earth. 3. Plants grow in the earth. 4. Plants grow on the earth. (Which ones are correct? What does #1 mean? Does #i mean that plants grows under the earth?)
Wednesday, November 14, 2012 by rfvv

Intro to Physics
At what temperature would the rms speed of a nitrogen atom equal the following speeds? (Note: The mass of a nitrogen atom is 2.324 10-26 kg.) (a) the escape speed from Earth, 1.12 104 m/s ___________K (b) the escape speed from the Moon, 2.37 103 m/s ___________K
Wednesday, November 14, 2012 by Madison

earth
HELP? Two students are given cubic boxes, measuring 10 cm on a side. Robert puts a single glass marble with a diameter of 10 cm in the box. Susan puts 1,000 1-cm glass marbles in her box. 1.Whose box has more empty space? Explain. 2.Whose box will be heavier? Explain. Can you ...
Wednesday, November 14, 2012 by Andrea

english
Choose the word needing an apostrophe or an apostrophe and an s. If the sentences is correct, choose no error. 1. Why havent you dotted your j’s? haven’t **** j’s’ no error 2. Ounce for ounce, humans aren’t as strong as most insects. human’s ...
Wednesday, November 14, 2012 by jayson

Physics
Please help The year is 2115. There is a high jump competition on planet Mars. An athlete of mass 72 kg who has been clearing a height of 2.44 m on Earth just the week before is competing here. What is the height this athlete can expect to clear in this competition? Relevant ...
Tuesday, November 13, 2012 by Gabby

Physics
A 7410-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...
Monday, November 12, 2012 by Anonymous

Physics
In New Hampshire the average horizontal component of Earth's magnetic field in 1912 was 16 uT, and the average inclination or "dip" was 73 degrees. What was the corresponding mag-nitude of Earth's magnetic field?
Monday, November 12, 2012 by Michelle

Physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ...
Monday, November 12, 2012 by Iza

geography
Can you check my answers please? 1. What Russian peninsula is located between the Bering Sea and the Sea of Okhotsk? Kamchatka Peninsula 2. How many degrees of longitude circle the Earth? 360 degrees of longitude 3. What continents are included in the "tropics"? ...
Monday, November 12, 2012 by Reed

Physics B
Part 1 Calculate the magnitude of the linear momentum for each of the following cases: A proton with mass 1.67×10 −27 kg moving with a speed of 5.24 × 10 6 m/s. Answer in units of kg · m/s Part 2 A 15.1 g bullet moving with a speed of 327 m/s. Answer ...
Monday, November 12, 2012 by Mary

English- Hamlet
I got to explain this soliloquie in a paragraph: Spoken by Hamlet, Hamlet Act 1 Scene 2: O, that this too too solid flesh would melt Thaw and resolve itself into a dew! Or that the Everlasting had not fix’d His canon ‘gainst self-slaughter! O God! God! How weary, ...
Sunday, November 11, 2012 by Mohammad

Physics
A rotating cylinder 7.95 kilometers in radius is designed to be used as a space colony. With what period must it rotate so the residents on it feel as heavy as they would on Earth?
Sunday, November 11, 2012 by Tristan

Earth Science
Explain the Earth's Cabon Cycle
Sunday, November 11, 2012 by Leslie

  1. Pages:
  2. <<Prev
  3. 12
  4. 13
  5. 14
  6. 15
  7. 16
  8. 17
  9. 18
  10. 19
  11. 20
  12. 21
  13. 22
  14. 23
  15. 24
  16. 25
  17. 26
  18. Next>>

Homework Help: Science

Members