video clips from the International Space Station, the astronauts are seen floating around as if there is no force of gravity holding them to the floor. The truth is that the space station is orbiting Earth at a height of
41,524 results

Science
video clips from the International Space Station, the astronauts are seen floating around as if there is no force of gravity holding them to the floor. The truth is that the space station is orbiting Earth at a height of only about 175 kilometers above the surface. While this ... 
Physics
Futurists project large space stations which would rotate so as to use centripetal acceleration to simulate gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts ... 
Physics: Astronauts and space
When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth.The distance separating the center of the earth from the center of the ISS is then approximately ... 
physics
You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically, such satellites ... 
Physics
You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically, such satellites ... 
Physics
Outside the International Sapce Station, a 60 kg astronaut holding a 4.0 kg object (both initially at rest) throws the object at 10 m/s relative to the space station. A 50 kg astronaut, initially at rest, catches the object. What is the speed of the separation of the two ... 
Physics
When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth. The distance separating the center of the earth from the center of the ISS is then approximately ... 
Physics
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 120 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as their weight on Earth.] 
Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning. 
Astronomy 1010
The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning. 
physics
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 150 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as their weight on Earth.] ... 
PHYSICS
An astronaut of mass 78.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.500 m/s. With the booster rockets no ... 
Physics
Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 170 m in radius. How quickly must the space station turn in order to give the astronauts inside it apparent weights equal to their real weights at ... 
physics
Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 120 m in radius. How quickly must the space station turn in order to give the astronauts inside it apparent weights equal to their real weights at ... 
Physics
Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 100m in radius. How quickly must the space station turn in order to give the astronauts inside it weights equal to their weights at the earth's ... 
Physics
Engineers are trying to create artificial "gravity" in a ringshaped space station by spinning it like a centrifuge. The ring is 100m in radius. How quickly must the space station turn in order to give the astronauts inside it weights equal to their weights at the earth's ... 
Physics (Help Please)
An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ... 
College Physics
An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ... 
Physics
Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to simulate gravity is to shape the spaceship like a cylindrical shell that rotates, with the astronauts walking on the inside surface. Explain how this simulates gravity. ... 
physics
The International Space Station, launched in November 1998, makes 15.65 revolutions around the earth each day in a circular orbit. Apply Newton's second law to the space station and find its height (in kilometers) above the earth's surface. 
Physics
An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the booster rockets no ... 
physics
Our muscles atrophy when there is no gravitational force. On long space flights this is a problem, which is why astronauts exercise. On very long space flights it might be advisable to simulate gravity. Your space ship is a long cylinder of radius 100 m that spins about its ... 
Physics
You (m=75.0 kg) are floating outside your space station, and oh no a siren sounds, and the doors start to close! At the instant the siren sounds, you are exactly 10.0 m from the station doors and floating away from the space station at a speed of 1.00 m/s. The doors will ... 
Physics
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 140 m, at what frequency must it rotate so that it simulates Earth's gravity? 
Physics
The International Space Station is 370 km above the Earth's surface (Re = 6378 km, Me = 5.98 x 10^24 kg). What is the linear velocity of the space station in m/s 
Physics
A team is chosen to design an orbiting space station that is shaped like a wheel 5o meters in diameter with is mass of 4*10^5 kg contained in the rim portion of the wheel. The space station will rotate at a rate such that a person working in the wheel will experience a ... 
Phsics
an astronaut, mass 119 kg including spacesuit pushes off from the international space station with a velocity of 2.7 m/s. What is the speed of the Space station in the opposite direction 
Physics
Suppose the surface (radius = r) of a cylindrical space station is rotating at 29.1 m/s to provide artificial gravity. What must be the value of r for the astronauts to weigh 1/3 of their earth weight? Don't know how to start please help. 
Physics
the orbital period of the moon is 27.32 days. The international space station has an orbital period of 90 minutes. What is the mean distance between the center of the earth and the center of the international space station? moons orbital radius: 25,201 
Physics
When out in space in International Space Station (ISS), Astronauts experience weightlessness. The ISS’s orbit is 354 km (that is 3.54 x 105 m) above the surface of the earth (You can get more educational NASA resources from: The distance separating the center of the earth ... 
physics
during space flight, astronauts often refer to forces as multiples of the force of gravity on earth's surface. what does a force of 5g mean to an astronaut? 
Geometry
111 Lines that Intersect Circles 8. The International Space Station orbits Earth at an altitude of 240 miles. What is the distance from the space station to Earth's horizon to the nearest mile? 
earth
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force needed to maintain a circular orbit around the space station. The ... 
ELA Reading
Which detail supports the main idea that microgravity weakens astronauts' bones? A) astronauts grow 13 inches taller B) Astronauts' legs become thins and sticklike C) astronauts lose 10 percent of their bone tissue after several months without gravity D) astronauts get used ... 
Physics
An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch effort, the astronaut ... 
Physics
An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch effort, the astronaut ... 
AP physics
Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to stimulate gravity is to shape the spaceship like a cylindrical shell that walking on the inside surface. Explain how this simulates gravity. Consider (a) how object fall... 
AP physics
Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to stimulate gravity is to shape the spaceship like a cylindrical shell that walking on the inside surface. Explain how this simulates gravity. Consider (a) how object fall... 
Physics
Artificial gravity. One way to create artificial gravity in a space station is to spin it. If a cylindrical space station 325 m in diameter is to spin about its central axis, at how many revolutions per minute (rpm) must it turn so that the outermost points have an ... 
Physics
I have a question about the International Space StationIts been orbiting earth at 350kmIf the radius of the earth is 6,370 km, what is the period of orbit for the Space Station? Secondly, if it was moved to a geosynchronous orbit, what would the new altitude of the station ... 
math
the international space station orbits 350 km above earth's surface. earth's radius is about 6370 km.use the pythagorean theorem to find the distance from the space station to earth's horizon. 
physics
You are explaining to a friend why the crew of the International Space Station feels weightless while orbiting the Earth. Your friend responds that he thought gravity was just a lot weaker up there. Show that it isn’t so by calculating the acceleration due to gravity 350 km ... 
Language
Passage from"Life Without Gravity" by Robert Zimmerman In space, the much weaker gravity makes the human body change in many unexpected ways. In microgravity, your blood is rerouted, flowing from the legs, which become thin and sticklike, to the head, which swells up. The ... 
physics
An astronaut, mass 128.2 kg including spacesuit, pushes off from the International Space Station (mass 110 tons) with a speed of 1.2 m/s. What is the speed of the Space station in the opposite direction? Use 2 s f. for your answer 
space
what are the international aspects of the international space station 
Physics
Your teacher used to think he could move an entire space station, floating weightless in space, with a mere push of his pinkie finger. Was he correct? 
physics
Your teacher used to think he could move an entire space station floating weightless in space with a mere push of his pinkie finger. Was he correct? 
chemisrty
can anybody give me the density of arsenic oxide at STP is this the correct formula volume = mass/ density thanks Yes, but if you want the density, it is density = mass/volume. The number I have seen floating around on this board is 17.8 g/L but the density of a gas and the ... 
Science
How do astronauts fix things in a space station? 
university physics
It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station in constructed as a 1170.0 m diameter cylinder that rotates about its axis. The inside surface is the deck of the space station. What rotation period (in s) will provide... 
Physics
The international space station ISS travels now with a speed of 7352 m/s. Calculate a) the radius of its orbit; b) the height of the orbit; c) the period of its motion around Earth. 
earth
how would eath's gravity effect you in space??? At what altitude does the Earth's gravity no longer have an effect on the astronauts or the space shuttle??? 
physics concept
An astronaut who is floating freely through space is seated upon a unicycle. He begins to pedal the unicycle “forward.” As he does so,what would the astronauts' motion be in space? Would he rotate in the opposite direction of the spinning wheel? 
physics
An astronaut comes loose while outside the spacecraft and finds himself floating away from the spacecraft with only a big bag of tools. In desperation, the astronaut throws his bag of tools in the direction of his motion (away from the space station). The astronaut has a mass ... 
Science check answer quick!
I really do not understand Number 7 Which of these does Newton's law of universal gravitation imply? (Points : 1) The force of gravity between two objects is inversely proportional to the product of the two masses. < Earth's gravity acts on people inside a space station ... 
science
the astronauts can live for long periods of time in a space station? my answers is yes. 
science
When a space shuttle was launched, the astronauts on board experienced an acceleration of 19.0 m/s2. If one of the astronauts had a mass of 60.0 kg, what net force in newton’s did the astronaut experience? Be sure to include your units. 
physics
Two astronauts, each having a mass of 89.0 kg, are connected by a 10.0 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.60 m/s. Treating the astronauts as particles, calculate each of the following. 
Phyics
A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius is 250 m and the bathroom scale reads 42 kg At what speed does the space station does the floor rotate 
PhysicsPlease help
I have a question about the International Space StationIts been orbiting earth at 350kmIf the radius of the earth is 6,370 km, what is the period of orbit for the Space Station? Secondly, if it was moved to a geosynchronous orbit, what would the new altitude of the station ... 
Physics
An astronaut exerts a 190N force pushing a beam into place on the International Space Station. The beam accelerates at 0.14 m/s2 .Determine the mass 
heat transfer
the temperature in deep space is close to absolute zero,which presents thermal challenges for the astronauts who do space walks.propose a design for the clothing of the astronauts that will be most suitable for the thermal environment in space.defend the selections in your ... 
History
NASA, space shuttles, and the International Space Station are (a)all related to Cold War spy technology (b) joint scientific study and space exploration efforts (c) United States efforts to build anti missile defenses (d) belief in extraterrestrial life 
Exploring Space
Why do astronauts appear to float when they aboard the ISS station and experience 90% of earth's gravitational pull? Is it because of the freefall? 
physics
In designing rotating space stations to provide for artificialgravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ... 
physics
In designing rotating space stations to provide for artificialgravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ... 
College Physics
In designing rotating space stations to provide for artificialgravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ... 
physics
does the international space station have gravitational pe 
physical
calculate the force of gravity on a 1.2 x 10^5 kg space station at a distance of 3.5 x 10^5 m from earth's surface earth equal to 5.98 x 10^24 kg 
physics
A 2130kg 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 
AP physics
suppose that the surface (radius=r) of the space station is rotating at 35.8 m/s. what must be the value of r for the astronauts to weigh onehalf their earth weight? 
Physics, Please Help
A 2130kg 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. 
Physics
Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh onehalf of their earthweight? 
Physics
Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh onehalf of their earthweight? 
Physics
Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh onehalf of their earthweight? 
physics
A cylinder with a radius of 15 km is built in space for use as a space station. This cylinder is rotating about its long axis to generate ‘artificial gravity’. When people walk on the inner surface of the spinning cylinder, the normal force between their feet and that ... 
Physics
You are explaining why astronauts feel weightless while orbiting in the space shuttle. Your friends respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating the acceleration of gravity 562 km above the Earth's... 
physics
Two astronauts, each having a mass of 78.5 kg, are connected by a 10.0m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.50 m/s. Treating the astronauts as particles, calculate each of the following... 
physics
A L=3 mile long conducting cable tethers a satellite to the International Space Station. The Cable moves through the Earth' magnetic field of about B=0.02 Gauss at a speed of v=8 km/sec. The cable points radially from the Space Station to the satellite. The ISS moves Eastwards... 
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) It does fall toward ... 
Physics (very long question)
Two astronauts (Fig. P8.68), each having a mass of 84.0 kg, are connected by a 10.0 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway betwen them at a speed of 5.80 m/s. Treating the astronauts as particles, calculate each of the... 
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 the ... 
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 the ... 
Physics
You have been sent in a small spacecraft to rendezvous with a space station that is in a low circular Earth orbit, say, with a radius of 6,720 km, approximately that of the orbit of the International Space Station. Due to mishandling of units by a technician, you find yourself... 
Physics
Station Math Two station astronauts will each perform two 8hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Please put your ... 
Exploring Space
what wud hold the cable of a space elevator up? Would it be earth's gravity holding the cable of a space elevator up? 
Physics (please help)
An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space with a speed of 754 m/s... 
Physics (please help!!!!)
An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space with a speed of 754 m/s... 
physics
Explain how an object can orbit a planet & why astronauts float around in the orbiting space shuttle 
physics
To create artificial gravity, the space station is rotating at a rate of 0.80 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.80. Each chamber A simulates an acceleration due to gravity of 10.0 m/s2. 
physics
A space station, in the form of a wheel 110 m in diameter, rotates to provide an "artificial gravity" of 3.00 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of rotation of the wheel (in revolutions per minute) that will produce this effect. ... 
physics
A space station Radar locates sattelites A and B at a certain moment: A_0=(a_1,0,1^3), B_0=(0,b_2,b_3) the space station is located at (0,0,0) and the sattelites moves with a uniform velocity related to the space station: v_A=(V_A,0,0), v_B=(V_B,V_B,0) what is the minimal ... 
Science
Help with these questions. 1. Describe a disadvantage of using a telescope positioned in space. 2. What advantage is there to doing laboratory experiments on the International Space Station rather than doing the same experiments on Earth? 3. Explain why it is unlikely that ... 
physics
The acceleration due to the moon's gravity at its surface is less than what it is here on the surface of the earth. The computed value of 1.6 m/s2 is consistent with what the Apollo Program astronauts observed during their explorations there. Imagine an astronaut holding a ... 
Physics
You push your couch a distance of 3.8 m across the living room floor with a horizontal force of 180.0 N. The force of friction is 136.0 N. What is the work done by you, by the friction force, by gravity, and by the net force? you 1 friction force 2 gravity 3 net force 4 
Language
assage from"Life Without Gravity" by Robert Zimmerman In space, the much weaker gravity makes the human body change in many unexpected ways. In microgravity, your blood is rerouted, flowing from the legs, which become thin and sticklike, to the head, which swells up. The extra... 
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? 
Physics
You are explaining why astronauts feel weightless while orbiting in the space shuttle. Your friends respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating the acceleration of gravity 248 km above the Earth's... 
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 from the Earth. On ... 
physics
A cylindrically shaped space station is rotating about the axis of the cylinder to create artificial gravity. The radius of the cylinder is 159 m. The moment of inertia of the station without people is 4.23 x 109 kg·m2. Suppose 299 people, with an average mass of 67.0 kg each...