On Earth as a whole, what happens to most of the presipitation? 1 It recharges the soil moisture deflict. 2 it becomes runoff and moves o the oceans. 3 it is store in the soil as capillary oceans. 4 it

8,317 results
  1. physics

    radius R of the orbit of a geosynchronous satellite that circles the earth. (Note that R is measured from the center of the earth, not the surface.) You may use the following constants: The universal gravitational constant G is 6.67×10−11N⋅m2/kg2. The

  2. Science

    Plz help ASAP Everywhere on Earth is about 93 million miles away from the sun. What causes days to be warmer on one part of Earth than on another? (1 point) the number of cars on the road the angle at which the sun strikes Earth the rotation of Earth the

  3. calculus

    the weight of a person on or above the surface of the earth varies inversely as the square of the distance the person is from the center of the earth. if a person weighs 180 pounds on the surface of the earth and the radius of the earth is 3900 miles, what

  4. Science

    Which statement correctly describes the sun and earth? a. the sun and earth both have water. b. the sun and earth both have a surface called the crust. c. the sun and earth both have an atmosphere d. the sun and earth both have breathable air

  5. Physics

    What is the Earth's gravitational force on you when you are standing on the Earth and when you are riding in the Space Shuttle 380 km above the Earth's surface? Answer as a fraction of the surface gravity of Earth. (The Earth's radius is 6400 km.)

  6. physics

    calculate the centripetal acceleration of the earth in its orbit around the sun and the net force exerted on the earth. What exerts this force on the earth? Assume that the earth's orbit is a circle of radius 1.50x10^11m. (earth's mass= 5.98x10^29kg, Sun's

  7. physics

    GPS satellites orbit the earth about 20,000 km above the surface of the earth. The radius of the earth is 6,371 km. What is the acceleration due to earth’s gravity on the GPS satellites? i've tried fooling around with the A = V^2/ R and V = 2pir/T

  8. geometry

    The Hubble Space Telescope is orbiting Earth 600 km above Earth's surface. Earth's radius is about 6370 km. Use the Pythagorean Theorem to find he distance a from the telescope to Earth's horizon. Round your answer to the nearest ten kilometers.

  9. Physics

    What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/20 of its value at the Earth's surface?

  10. Physics

    A projectile is fired vertically from Earth's surface with an initial speed v0. Neglecting air drag, how far above the surface of Earth will it go? (Use any variable or symbol stated above along with the following as necessary: ME for the mass of the

  11. Science

    5) The tendency of two masses alone in the universe to drift together is a result of A) fission.

  12. physics

    The value of g at Earth’s surface is about 9.8 m/s^2. If Earth were of uniform density (same mass/volume throughout), what would the value of g be inside Earth at half its radius?

  13. Weather

    Which factor has the biggest impact on Earth's seasons? A) Earth's revolution. B) Earth's elliptical orbit. C) Earth's tilt on its axis. D) Earth's distance from the Sun. ***

  14. Moon Science

    What causes the phases of the moon as observed from the Earth? A) Filtering of the light from the moon due to the Earth's atmosphere. B) The tidal forces of the Earth's oceans change the appearance of the moon. C) Change in distance of the moon from the

  15. Physics

    When you drop a 0.37 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s 2 toward the earth’s surface. According to Newton’s third law, the apple must exert an equal but opposite force on Earth. If the mass of the earth 5.98 × 1024 kg,

  16. physics- please help me!

    Earth turns on its axis approximately once every 24 hours. The radius of Earth is 6.38 X 10^6 m. a.) If some astronomical catastrophe suddenly brought Earth to a screeching halt (a physical impossibility as far as we know), with what speed would Earth's

  17. Science

    I need help Everywhere on Earth is about 93 million miles away from the sun. What causes days to be warmer on one part of Earth than on another? (1 point) the angle at which the sun strikes Earth the number of cars on the road the speed of Earth in its

  18. Algebra

    The gravitational force between an object & the Earth is inversely proportional to the square of the distance from the object to the center of the Earth. If an astronaut weighs 210 lbs on the surface of the Earth, what will he weigh 100 miles above the

  19. Physics

    Two meteoroids 250,000 km from Earth are moving at 2.1 km/s. Meteor one is headed in a straight path for Earth, while meteor two is on a path that will come within 8500 km from the Earth's center. (A) What is the speed of the first meteroid when it strikes

  20. physics

    A geosynchronous Earth satellite is one that has an orbital period equal to the rotational period of the Earth. Such orbits are useful for communication and weather observation because the satellite remains above the same point on Earth, provided it orbits

  21. physics

    Assuming the Earth's magnetic field averages about 0.50×10−4 T near Earth's surface, estimate the total energy stored in this field in the first 15km above Earth's surface. The radius of Earth is 6380 km.

  22. science,

    1- If a satellite orbiting the Earth at a height of 150 km (93 miles) above the surface of the earth. Calculate the speed, acceleration and orbital period of the satellite. Using these given constants: M(earth) = 5.98 x 10^24 kg, R(earth) = 6.37 x 10^6 m).

  23. physics

    Which of the following best describes the strength of the gravitational force on Earth due to your mass? A) It is zero as long as you are standing on Earth’s surface. B) It is much greater than Earth’s gravitational force on you because Earth’s mass

  24. phy

    What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/12 of its value at the Earth's surface?

  25. astronomy

    On Earth, an astronaut weighs about 600 Newtons. The mass of the Earth is about 6 x 1024 kg, and the radius of the Earth is about 6.4 x 106 m. Suppose the astronaut climbs a ladder to a height of one Earth radius above the Earth. What is the new weight of

  26. trig

    In a computer simulation, a satellite orbits around Earth at a distance from the Earth's surface of 2.1 X 104 miles. The orbit is circular, and one revolution around Earth takes 10.5 days. Assuming the radius of the Earth is 3960 miles, find the linear

  27. phy.

    check my understanding please. Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N an astronaugt lands on a planet that has twice the mass as earth and twice the

  28. science

    Earth’s atmosphere makes the planet suitable for living things by doing which of the following? Select all that Apply A Protects the Earth from meteorites. B Keeps us from floating off into space C Increases the amount of gravity on Earth D Allows for

  29. Astronomy

    The International Space Station generally operates in orbits at altitudes between 330-435 km above the Earth's surface. You have probably seen astronauts float about "weightless" up there in "zero-g." 1) If the Earth's gravity was zero at that altitude,

  30. Physics

    On earth, a certain type of bacteria doubles in number every 24 hours. Two cultures of these bacteria are prepared, each consisting initially of one bacterium. One culture is left on earth and the other is put on a rocket travelling at .866c relative to

  31. Physical Science

    Many people mistakenly believe that the astronauts who orbit Earth are "above gravity." Earth's mass is 6×1024kg, and its radius is 6.38×106m (6380 km). Use the inverse-square law to find a height above Earth's surface at that the force of gravity on a

  32. science

    The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational attraction _____. A-keep the moon and sun in orbit B-keep people grounded C-helped to create and retain Earth's atmosphere

  33. Science

    Can someone check my answer, please? What causes the alternating pattern of night and day? Earth’s orbital path Earth’s revolution Earth’s tilted axis Earth’s rotation******

  34. Physics

    When you drop a 0.38 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s^2 toward the earth’s surface. According to Newton’s third law, the apple must exert an equal but opposite force on Earth.If the mass of the earth 5.98 × 1024 kg,

  35. Physics

    The Earth has an electric field with magnitude roughly 100 N/C at its surface. A) Assuming there is a point charge at the earth's center creating this field, how much charge does the earth posses? Treat the earth as a sphere of radius 6.37 * 10^6 m. B)As

  36. Math & science

    Earth has a radius of about 6.4*10^m. What is the approximate surface are of Earth? Use the formula for the surface area of a sphere,S= 4 pi ^2 . Oceans cover about 70% of the surface of the Earth.A bout how many squares of Earth's surface are covered by

  37. physics

    Find the distance (measured in earth radii, RE) from the center of the earth to a point outside the earth where the acceleration of gravity due to the earth is exactly one ninth of its value on the surface of the earth.

  38. Phyics

    The foci of the elliptical path for an Earth satellite are __________. A) one at Earth's center and the other elsewhere B) one atop the other at Earth's center C) both inside Earth D) both outside Earth

  39. science

    On Earth as a whole, what happens to most of the presipitation? 1 It recharges the soil moisture deflict. 2 it becomes runoff and moves o the oceans. 3 it is store in the soil as capillary oceans. 4 it is returned to the atmosphere through evaporation and

  40. Physics

    At the heighest point on earth, the distance to the center of the earth is approximately equal to 1.0014 times the radius of the earth. What would be in N/kg the magnitude of the gravitational field (g) due to the earth at that position? Assume 9.8 N/kg

  41. Physics

    When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making? Which of the below? -The distribution of mass in the earth is spherically symmetric. -The density of the earth is the same everywhere. -The earth's

  42. ap physics

    Suppose that Superman wants to stop Earth so it does not rotate. He exerts a force on Earth F⃗ SonE at Earth's equator tangent to its surface for a time interval of 1 year. The mass of Earth is 5.98×1024kg, the radius is 6.37×106m. Assume that Earth is

  43. Physics

    Al the astronaut has a weight of 1600 N when he is standing on the surface of earth. What is the force of gravity action on him when he is in space station orbiting earth at a distance of four earth radii from the center of the earth?

  44. Math :(

    Jupiter is 9.28 x 108 km from Earth when they are farthest apart. Mars is 410,000,000 km from Earth when they are farthest apart. a) How much farther away from Earth is Jupiter? b) When Jupiter is closest to Earth, it is only 629 million km away? What is

  45. 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)?

  46. Science

    How does the mass of Mars compare to that of Earth? A) Larger than that of Earth B) About the same C) Slightly smaller than that of Earth (about 95% of Earth’s mass) D) Much smaller than that of Earth (about 10% of Earth’s mass) E) Undetermined

  47. Physics

    The Earth has an angular speed of 7.272·10-5 rad/s in its rotation. Find the new angular speed if an asteroid (m = 3.45·1022 kg) hits the Earth while traveling at a speed of 4.41·103 m/s (assume the asteroid is a point mass compared to the radius of the

  48. physics help

    The earth orbits the sun once a year (3.16 10^7 s) in a nearly circular orbit radius 1.50 10^11 m. With respect to the sun, determine the following. (a) the angular speed of the earth 1 rad/s (b) the tangential speed of the earth 2 m/s (c) the magnitude

  49. Physical science

    When you drop a 0.36 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s^2 toward the earth's surface. According to Newton's third law, the apple must exert an equal but opposite force on Earth. If the mass of the earth 5.98x10^24 kg, what

  50. English

    In the story “If I Forget Thee, Oh Earth…” why did Marvin’s father take him to see the view of earth from The Colony? A. The Colony had just discovered earth as a new planet in their galaxy, and he wanted to share the exciting news. B. He wanted

  51. Physics

    When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making? Which of the below? The distribution of mass in the earth is spherically symmetric. The density of the earth is the same everywhere. The earth's interior

  52. MrOobleck I need help

    Why is Earth’s temperature just right for life? A. Earth’s core is hot enough to heat Earth’s surface. B. Earth’s magnetic field creates suitable temperatures on Earth’s surface. C. Earth’s crust is warmed by heat from the sun. D. Earth’s

  53. Science

    Luis wanted to create a clay model of earth and the sun. To show how Earth rotates, Luis wants to use a toothpick to represent Earth's axis of rotation. Where should Luis place the toothpick? A. Horizontally through Earth in the direction Earth is

  54. Science

    Luis created a clay model of earth and the sun to show how earth rotates, Luis wants to use a toothpick to represent earths axis of rotation Where should he put the toothpick A - horizontally through earth in the direction earth is traveling B - vertically

  55. HELP SCIENCE

    Luis created a clay model of earth and the sun to show how earth rotates, Luis wants to use a toothpick to represent earths axis of rotation Where should he put the toothpick A - horizontally through earth in the direction earth is traveling B - vertically

  56. Astro

    What is the distance in meters from the Earth's center to a point out-side the Earth where the gravitational acceleration due to the Earth is 1/20 of its value at the Earth's surface?

  57. science

    Some scientists believe the moon was produced when Earth collided with a Mars-sized object, breaking off pieces of Earth. Which evidence suggests that Earth and the moon may have once been in the same place? a. The soils of Earth and of the moon support

  58. physics

    What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/45 of its value at the Earth's surface?

  59. Science Question

    Our class is studying the concave earth theory, which are our teacher suggests is the most viable theory for understanding the composition of the earth and the universe as a whole. However, I am having a difficult time comprehending the concave earth

  60. science

    The pull of gravity keeps the Moon in orbit around Earth. The distance between the Earth and Moon is about 380,000 kilometers. A crew of astronauts leaves Earth on a Monday and lands on the Moon on a Thursday. They land on the side of the Moon facing away

  61. physics

    A child learns in school that the earth is traveling faster than 100,000 kilometers per hour around the sun, and in a frightened tone asks why we arent swept off. What statement about the motion of the Earth is, on average,true? A. We are traveling slower

  62. science

    A distant spaceship carrying a red headlight, emitting light with wavelength 600nm, is heading towards the earth. Observers on the earth detect the light from the headlight as ultraviolet light with wavelength 200nm. What is the velocity of the spaceship?

  63. science

    What causes convection currents in the Earth’s magma? A. atmospheric movements, like high winds and hurricanes B. the presence of a lot of liquid water on Earth’s surface C. the temperature difference between the core and outer layers of Earth D.

  64. Physics

    When you drop a 0.27-kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s2 toward Earth's surface. According to Newton's third law, the apple must exert an equal and opposite reaction force on Earth. If the mass of Earth is 5.98 1024 kg,

  65. Physics

    When the space shuttle (mass of the shuttle = 2 x10^6 kg) was at the outer limit of Earth's atmosphere (distance = 350 km above Earth's surface), astronauts measured the gravitational force from Earth to be equal to 1.7 x 10^7 newtons. Assuming that both

  66. Science

    Why doesn't the space station fall toward the earth, instead of remaining in space? a) It is beyond the earth's gravitational pull. B) The earth's gravity is balanced out by the attraction of the sun and other planets. C) Centrifugal force keeps it up. D)

  67. Astronomy

    I have another question. What would an observer on the Moon looking at the Earth see? a) always see a fully-illuminated Earth b) always see a half-illuminated Earth c0 see phases of Earth d) see continuous darkness These are the four answers, but I would

  68. Math

    "during the opening sequences of " the day the earth stood still " the alein craft orbits the earth at 6437.376 kph. If the spaceship is flying 1.25km above the surface area of the earth , a) find the distances travelled to make a single orbit of the earth

  69. 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

  70. Science

    Here's my question--- Precession of earth's axis causes- a-axial tilt b-a change in the north pole star c-seasons d-day and night My answer was a- m i rite? Precession of earth's axis caused by the centrifugal force of the Earth's rotation... =) The cause

  71. science

    Find the gravitational acceleration if a spaceship at a distance equal to double of earth's radius from the centre of the earth (g on earth is 9.8 m/s^2)

  72. Science

    Find the gravitational acceleration if a spaceship at a distance equal to double of earth's radius from the centre of the earth (g on earth is 9.8 m/s)

  73. physics

    Find the gravitational acceleration if a spaceship at a distance equal to double of earth's radius from the center of the earth (g on earth is 9.8 m/s^2)

  74. physics

    Calculate the force of Earth’s gravity on a spacecraft 2.00 Earth radii above the Earth’s surface if its mass is 1850 kg.

  75. physics

    Calculate the force of gravity on a 12 kg mass if it were 6.4 106 m above Earth's surface (that is, if it were 2 Earth radii from Earth's center.)

  76. physics

    As you walked on the moon, the earth’s gravity would still pull on you weakly and you would still have an earth weight. How large would that earth weight be, compared to your earth weight on the earth’s surface? (Note: The earth’s radius is 6378 km

  77. Chemistry help

    The earth moves round the sun in one year.the average earth-sun distance is 1.5*10^11m given that the mass of the earth is 5.98*10^24kg (a):the angular momentum of the earth??? (b):kinetic energy of the earth motion?? (c):kinetic energu of the earth motion

  78. Science

    Luis created a clay model of earth and the sun to show how earth rotates, Luis wants to use a toothpick to represent earths axis of rotation Where should he put the toothpick A - horizontally through earth in the direction earth is traveling B - vertically

  79. colllege physics

    What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/45 of its value at the Earth's surface?

  80. Physics

    At a height of 500km above earth, a satellite will orbit the earth once every 95 minutes. Find the mass of the earth based on this idea. B) How far above earth's surface would a satellite need to orbit so that it revolves at exactly the same rate as the

  81. astronomy

    "super earths" are known to have similar densities and compositions to earth but they have a mass 2-10x greater than earth. If one of these super earth's had a mass 5x the mass of earth what would be the super earth's radius ? a) 1.7x earth's radius b)

  82. Calculus Physics

    Imagine a spaceship on its way to the moon from the earth. Find the point, as measured from the center of the earth, where the force of gravity due to the earth is balanced exactly by the gravity of the moon. This point lies on a line between the centers

  83. Physics

    When you drop a 0.38 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s 2 toward the earth’s surface. According to Newton’s third law, the apple must exert an equal but opposite force on Earth.If the mass of the earth 5.98 × 1024 kg,

  84. Physics

    A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from the Earth should this

  85. physics

    What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface? Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 km a_{gravity} =______________{m}{s^2}

  86. math

    What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface? Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 km a_{gravity} =______________{m}{s^2}

  87. Physics

    Determine the ratio of Earth's gravitational force exerted on an 80-kg person when at Earth's surface and when 1000km above Earth's surface. The radius of Earth is 6370 km. I have tried (6370)^2/(7370)^2 = 0.747 and it is wrong??

  88. Physics

    A 1.0kg mass weighs 9.8 Newton on earth's surface, and the radius of Earth is roughly 6.4 x 10 to the power of 6. The mass of the earth is 6.02 x 10 to the power of 24. Calculate the average density of Earth?

  89. physics

    The auroral zone is defined by the last field line from the Earth that returns to the Earth. If the field of the earth extends no further than 10RE in the sunward direction, at what angle (in degrees) in the picture above does the last field line that

  90. college

    Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1550 kg.

  91. science

    How far away from the earth does acceleration due to gravity become 1% of its value at the earth's surface. Assume that the earth is a sphere of radius 638000000cm.

  92. Physics HELLLPPPP

    When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making? Which of the below? -The distribution of mass in the earth is spherically symmetric. -The density of the earth is the same everywhere. -The earth's

  93. math

    The mean radius of the Earth is 6.37 x 106 meters (m). Assuming the earth can be modeled as a perfect sphere a. In cubic meters (m3 ) what is the volume of the Earth? b. In meters (m) what is Earth’s circumference? c. If the mean density is 5.515g/cm3,

  94. physics

    What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/22 of its value at the Earth's surface? _ m

  95. physics

    Two meteoroids 250,000 km from Earth are moving at 2.1 km/s. Meteor one is headed in a straight path for Earth, while meteor two is on a path that will come within 8500 km from the Earth's center. (A) What is the speed of the first meteroid when it strikes

  96. physics

    Find the speed of a satellite in a circular orbit around the earth with a radius 2.69 times the mean radius of the earth; Radius Earth= 6.37E+3km; Mass Earth= 5.98E+24kg.

  97. Physics

    The Hubble Space Telescope orbits the Earth at an approximate altitude of 612 km. Its mass is 11,100 kg and the mass of the Earth is 5.97×1024 kg. The Earth's average radius is 6.38×106 m. What is the magnitude of the gravitational force that the Earth

  98. Physics

    The Hubble Space Telescope orbits the Earth at an approximate altitude of 612 km. Its mass is 11,100 kg and the mass of the Earth is 5.97×1024 kg. The Earth's average radius is 6.38×106 m. What is the magnitude of the gravitational force that the Earth

  99. Science

    What is the circular velocity of an Earth satellite 1000. km above Earth's surface? (Note: Earth's average radius is 6371 km.)

  100. Physics HELP!!

    What is the acceleration due to gravity at 7220km above the Earth's surface? Take the radius of the Earth to be 6.37e6m and the mass of the Earth to be 5.972e24kg.

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