Wednesday

October 7, 2015
Number of results: 86,779

**physics**

An artificial satellite placed into earth's orbit has a mass of 1250kg. It travels at an average distance of 222.5km above the surface of the earth. The radius of the earth is 6370km. What acceleration due to gravity does the earth give the satellite? I know to find the ...
*December 16, 2009 by sh*

**physics **

A satellite of mass 225 kg is launched from a site on Earth's equator into an orbit at 200 km above the surface of Earth. (The mass of the Earth is 5.98 1024 kg, and the radius of the Earth is 6.38 103 km.) (a) Assuming a circular orbit, what is the orbital period of this ...
*December 4, 2013 by jimmy*

**physics**

A satellite of mass 205 kg is launched from a site on Earth's equator into an orbit at 200 km above the surface of Earth. (a) Assuming a circular orbit, what is the orbital period of this satellite? s (b) What is the satellite's speed in its orbit? m/s (c) What is the minimum ...
*September 27, 2014 by Dallas*

**physics **

NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's mean radius. The mass of the satellite is 550 kg. (Assume the Earth's mass is 5.97 1024 kg and its radius is 6.38 106 m.) (a) How long does it take the satellite to go around ...
*September 27, 2015 by Kristen *

**Math**

When a satellite is h kilometres above Earth,the time,t,in minutes,to complete one orbit is given by the formula t=Root of (6370+h)^3/6024 a) A telecommunications satellite is placed 30 km above Earth. How long does it take the satellite to make one orbit? b) A satellite is ...
*October 28, 2014 by Cherie*

**Physics**

A satellite of mass 220 kg is launched from a site on Earth's equator into an orbit at 200 km above the surface of Earth. (a) Assuming a circular orbit, what is the orbital period of this satellite? 5310 s (b) What is the satellite's speed in its orbit? 7790m/s (c) What is the...
*March 13, 2010 by Ana*

**Physics**

A satellite of mass 210 kg is launched from a site on Earth's equator into an orbit at 210 km above the surface of Earth. (a) Assuming a circular orbit, what is the orbital period of this satellite? (b) What is the satellite's speed in its orbit? (c) What is the minimum energy...
*November 24, 2010 by tom*

**physics**

A satellite has a mass of 100 kg and is in an orbit at 2.00*10^6 m above the surface of the Earth (a) what is the potential enegry of the satellite at this location?(b) what is the magnitude of the gavitational forece on the satellite? a) Since the weight drops somewhat as a ...
*January 8, 2007 by becky*

**Maths**

A satellite takes 93.8 minutes to orbit the earth. If the diameter of the earth is 12740km approximately and the satellite is at a height of 32km above the earth's surface, find the average speed of the satellite in km/h Working out please
*January 9, 2012 by Math's Noob*

**Physics**

A communications satellite with a mass of 450 kg is in a circular orbit about the Earth. The radius of the orbit is 2.910^4 km as measured from the center of the Earth. Calculate the weight of the satellite on the surface of the Earth Calculate the gravitational force exerted...
*November 9, 2011 by Cooper*

**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?
*November 20, 2009 by Alex*

**Physics please help**

How far from the center of the Earth (in km) is the center of mass of the Earth + satellite system if the satellite has a mass of 6560 kg and is in orbit 46200 km above the surface of the Earth. The mass of the Earth is 5.98 * 10^24 kg and the radius of the Earth is 6370 km.
*November 14, 2011 by Me*

**physic**

A satellite used in a cellular telephone network has a mass of 2010kg and is in a circular orbit at a height of 770km above the surface of the earthTake the gravitational constant to be G = 6.6710−11N⋅m2/kg2 , the mass of the earth to be me = 5.971024kg , and the...
*July 11, 2013 by cuzer*

**Physics**

A 360-kg satellite is in orbit around the Earth 10000 km above the Earth's surface. (a) What is the weight of the satellite when in orbit? [Answer is in N] (b) What was its weight when it was on the Earth's surface, before being launched? [Answer is in N] (c) While it orbits ...
*February 14, 2011 by MB*

**physics**

Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Satellite A is to orbit at an altitude of 7460 km. Satellite B is to orbit at an altitude of 20500 km. The radius of Earth REis 6370 km. (a) What is the ratio of the ...
*January 3, 2011 by kylie*

**Physics help!**

How far from the center of the Earth (in km) is the center of mass of the Earth + satellite system if the satellite has a mass of 6560 kg and is in orbit 46200 km above the surface of the Earth. The mass of the Earth is 5.98 * 10^24 kg and the radius of the Earth is 6370 km
*November 14, 2011 by Me*

**earth**

A satellite has a mass of 5.98*10^24 kg.if this satellite is t be placed into a circular orbit 300km above the earths surface,what speed,period and radial acceleration must it have
*August 13, 2012 by busi*

**physics**

4(a) What is the magnitude of the gravitational force of the Earth on a surveillance satellite of mass 1040 kg that is in a grazing circular orbit 100 km above the surface of the Earth. (b) Find the magnitude of the acceleration of a satellite in such a grazing orbit. (c) ...
*April 22, 2013 by joey*

**physics**

Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Satellite A is to orbit at an altitude of 7460 km. Satellite B is to orbit at an altitude of 20500 km. The radius of Earth REis 6370 km. (a) What is the ratio of the ...
*January 2, 2011 by Anonymous*

**Phyisics**

A spy satellite is in circular orbit around Earth. It makes one revolution in 6.02 hours. How high above Earth's surface is the satellite Use keplers law, comparing the moon period and distance from Earth to the Satellite. There are other ways of doing this.
*October 16, 2006 by Liz*

**physics for physical science**

(a)what is the magnitude of the gravitational force of the earth on a surveillance satellite of mass 1040kg that is in a grazing circular orbit 100 km above the surface of the earth. (b)find the magnitude of the acceleration of the satellite in such a grazing orbit. (c)...
*April 26, 2013 by lonia*

**physics**

An artificial satellite circling the Earth completes each orbit in 139 minutes. (The radius of the Earth is 6.38 106 m. The mass of the Earth is 5.98 1024 kg.) (a) Find the altitude of the satellite.
*October 31, 2011 by Anonymous*

**physics**

Estimate the energy required from fuel to launch a 1465 kg satellite into orbit 1375 km above the Earths surface. Consider two cases: (a) the satellite is launched into an equatorial orbit from a point on the Earths equator, and (b) it is launched from the North Pole into a ...
*November 5, 2012 by Lauria*

**Physics help PLZ!!**

Estimate the energy required from fuel to launch a 1465 kg satellite into orbit 1375 km above the Earths surface. Consider two cases: (a) the satellite is launched into an equatorial orbit from a point on the Earths equator, and (b) it is launched from the North Pole into a ...
*October 22, 2012 by Sarah*

**Geometry**

A satellite has-recently been placed in a nearly circular orbit 2000 kilometers above the earths surface. Given that the radius of the earth is approximately 6400 kilometers and that the satellite completes its orbit in 12 hours, calculate the speed of the satellite in ...
*May 17, 2011 by Keenan*

**PHYSIC**

1)What must be the orbital speed of a satellite in a circular orbit 740 above the surface of the earth? 2)What is the period of revolution of a satellite with mass that orbits the earth in a circular path of radius 8000 (about 1630 above the surface of the earth)?
*November 8, 2011 by Ruth*

**physics**

A satellite moves in a circular orbit around Earth at a speed of 4390 m/s (a) Determine the satellite's altitude above the surface of Earth.(meters) (b) Determine the period of the satellite's orbit. (hours) I used the equation M(sattelite)V^2/r = M(sattelite)(Mass(earth)G/r^2...
*April 10, 2010 by Kelsey*

**kv khurda**

an artificial satellite is orbiting the earth. A bomb is released from the satellite. The bomb will (a)explode due to the heat generated by the friction of air (b)fall freely on the earth (c)escape into outer space (d)orbit the earth along with the satellite
*December 17, 2011 by suman*

**physics**

A spy satellite was launched into a circular orbit with a height of 599 km above the surface of the Earth. Determine its orbital speed and period. (The mass of the Earth is 5.97 1024 kg, and the radius of the Earth is 6370 km.)
*April 23, 2013 by tae*

**Physics **

If an artificial earth satellite is in an orbit around the earths equator with a period of exactly 1 day, how does its motion look to an observer on the rotating earth if it orbits in the same direction as the earth turns? (Such an orbit is said to be geosynchronous; most ...
*October 16, 2012 by abc321*

**Math**

A satellite is launched into orbit 200 kilometers above the Earth.The orbital velocity of a satellite is given by the formula v=√GmE/r, where v is the velocity in meters per second, G is a given constant, mE is the mass of Earth, and r is the radius of the satellite"s ...
*April 6, 2010 by Macy*

**physics**

A satellite is placed in orbit 100 km above the surface of the earth (radius = 6370 km, mass = 5.98 x 1024 kg). What is the value of the acceleration of gravity at that altitude as a percentage of the acceleration at the surface of the earth?
*January 10, 2014 by Lisa *

**Physics**

A spy satellite is in circular orbit around Earth. It makes one revolution in 5.95 hours. (Radius of the Earth=6.371 106 m) (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?
*February 5, 2011 by Renee*

**Physics**

A spy satellite is in circular orbit around Earth. It makes one revolution in 6.05 hours. (Radius of the Earth=6.371 106 m) (a) How high above Earth's surface is the satellite? What is the satellite's acceleration
*February 11, 2011 by Renee*

**science help!**

A satellite is placed in orbit 100 km above the surface of the earth (radius = 6370 km, mass = 5.98 x 1024 kg). If the satellite has a mass of 1500 kg, what is the force of gravity acting on it?
*January 10, 2014 by unknown*

**physics**

How much work is required to lift a 600-kg satellite to an altitude of 4 * 10^6 m above the surface of the earth? The gravitational force is F=GMm/r^2, where M is the mass of earth, m is the mass of the satellite, r is the distance between them. The radius of the earth is 6.4...
*February 11, 2011 by Allison*

**physics**

The physics of energy and Earth's moon as a satellite. The moon is an Earth satellite of mass 7.35 x 10^22 kg, whose average distance from the centre of Earth is 3.85 x 10^8 m. a) What is the gravitational potential energy of the moon with respect to Earth? b) What is the ...
*April 24, 2011 by aly*

**geometry**

A satellite in a nearly circular orbit is 2000 km above Earth's surface. The radius of Earth is approximately 6400 km. If the satellite completes its orbit in 12 hours, calculate the speed of the satellite in kilometers per hour.(pay attention to the radius of the satellite's ...
*February 6, 2011 by ranu*

**physics**

3. A satellite of mass 500 kg orbits the Earth with a period of 6000 s. The Earth has a mass of 5.98 x 1024 kg. (a) Calculate the magnitude of the Earth's gravitational force on the satellite. (b) Determine the altitude of the satellite above the Earth's surface.
*October 15, 2012 by BO*

**physics**

A satellite of mass m in a circular orbit at a height of 400Km above the earth's surface. What is the Radius of the Earth (given: 6.35 * 10^6) with respect to the center C of the Earth?
*April 23, 2011 by Lisa*

**physics**

A satellite moves in a circular orbit around the Earth at a speed of 6.1 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 10 24 kg. The value of the universal gravitational ...
*December 10, 2011 by tanya*

**Physics **

A satellite moves in a circular orbit around the Earth at a speed of 5.4 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 10 24 kg. The value of the universal gravitational ...
*January 13, 2013 by Emily*

**Physics**

A satellite moves in a circular orbit around the Earth at a speed of 5.9 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 1024 kg. The value of the universal gravitational ...
*July 9, 2013 by Lynn*

**Physics**

A satellite used in a cellular telephone network has a mass of 2160 kg and is in a circular orbit at a height of 670 km above the surface of the earth. What is the gravitational force Fgrav on the satellite? Take the gravitational constant to be = 6.6710−11 N*m^2/kg^2, ...
*April 12, 2012 by Joe*

**Geometry **

A satellite in a nearly circular orbit is 2000 km above Earth's surface. The radius of Earth is approximately 6400 km. If the satellite completes its orbit in 112 hours, calculate the speed of the satellite in kilometers per hour. Please help me. I have a math test tomorrow.
*January 23, 2011 by Skye*

**Physics**

A satellite moves in a circular orbit around the Earth at a speed of 6.3 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 1024 kg. The value of the universal gravitational ...
*December 1, 2011 by Sam*

**physics**

A satellite moves in a circular orbit around the Earth at a speed of 5 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 1024 kg. The value of the universal gravitational constant...
*June 24, 2013 by Wolves*

**Physics**

A satellite moves in a circular orbit around the Earth at a speed of 5.3 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 1024 kg. The value of the universal gravitational ...
*October 29, 2013 by Graham*

**physics**

HELP PLEASE!!! A satellite moves in a circular orbit around Earth at a speed of 5085 m/s. (a) Determine the satellite's altitude above the surface of Earth. (b) Determine the period of the satellite's orbit.
*September 21, 2010 by bill*

**physics**

A satellite moves in a circular orbit around Earth at a speed of 4390 m/s. (a) Determine the satellite's altitude above the surface of Earth. m (b) Determine the period of the satellite's orbit. h am I supposed to use rotational equations for this? I don't know what to start ...
*April 7, 2010 by Kelsey*

**Physics 12**

What is the gtravitational potential energy of a 2.00e3 kg staellite that is in an orbit that has a radius of 9.90e6 m around the earth? Use gravitational potential energy=0 at r= (answer=-2.01e11J) What is the work done against gravity on the satellite in the problem #1 in ...
*April 16, 2007 by Erin*

**physics**

On July 15, 2004, NASA launched the Aura spacecraft to study the earth's climate and atmosphere. This satellite was injected into an orbit 705 {\rm km} above the earth's surface, and we shall assume a circular orbit. How many hours does it take this satellite to make one orbit...
*April 27, 2012 by Amber*

**Physics**

A communications satellite with a mass of 400 is in a circular orbit about the Earth. The radius of the orbit is 3.7104 as measured from the center of the Earth. Calculate the gravitational force exerted on the satellite by the Earth when it is in orbit.
*November 3, 2011 by Chris*

**math**

Calculate the speed of an artificial earth satellite, assuming that it is travelling at an altitude h of 140 Km above the surface of the earth where g=9.8m/s2. The radius of earth R is 6373Km.
*August 2, 2010 by alobi*

**Physics**

A spy satellite is in circular orbit around Earth. It makes one revolution in 6.04 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?
*March 2, 2010 by Max*

**physics**

2.A spy satellite is in circular orbit around Earth. It makes one revolution in 6.02 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?
*February 22, 2011 by jimmyjonas*

**earth**

a satellite orbits the earth in circular orbit 620 km above the suface. if the radius of the earth is 6380 km, calculate, to 3 significanf figures, the distance travelled in a single orbit?
*October 20, 2011 by mike*

**Physics**

Some communication satellites are put into a circular geosynchronous orbit in which the satellite remains above a certain position on the earth's equator as it orbits. Such a satellite would always be in the same position in the sky as seen from the transmitting or receiving ...
*May 1, 2013 by J*

**College Physics**

A spy satellite is in circular orbit around Earth. It makes one revolution in 5.99 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?
*September 25, 2009 by Megan*

**Physics 203**

A satellite with a mass of 310 kg moves in a circular orbit 7.00*10^7 m above the Earth's surface. (a) What is the gravitational force on the satellite? (b) What is the speed of the satellite? (c) What is the period of the satellite?
*April 26, 2011 by Kayla *

**Physics**

The moon has a period of 27.3 days and a mean distance of 3.90 x 10^5 km from the center of Earth. a) Use Kepler's laws to find the period of a satellite in orbit 6.70 x 10^3 km from the center of Earth --- I was able to do this and the answer i got was: 88.6 mins, but was ...
*October 11, 2008 by Tanveer*

**physics**

An Earth satellite moves in a circular orbit 775 km above the Earth's surface. The period of the motion is 100.1 min. (a) What is the speed of the satellite? m/s (b) What is the magnitude of the centripetal acceleration of the satellite? m/s2
*December 14, 2008 by john*

**Physics I**

An Earth satellite moves in a circular orbit 770 km above the Earth's surface. The period of the motion is 100.0 min. What is the speed of the satellite? What is the magnitude of the centripetal acceleration of the satellite?
*September 13, 2011 by Amber*

**Physics**

A satellite orbits Earth at a distance of 3rearth above Earth's surface. (Earth mass equals 5.97 X 10^24, earths equatorial radius equals 6.38 X 10^6) How many Earth radii is the satellite form Earths center?
*November 1, 2010 by mercedes*

**physics**

A satellite is in a circular orbit around the Earth at an altitude of 3.30 106 m. (a) Find the period of the orbit. (Hint: Modify Kepler's third law so it is suitable for objects orbiting the Earth rather than the Sun. The radius of the Earth is 6.38 106 m, and the mass of the...
*February 22, 2015 by alba*

**physics**

A satellite moves in a circular orbit around the Earth at a speed of 5661 m/s. (b) Determine the period of the satellite's orbit. the satilites altitude above the surface of earth is 6076312.71m. im using the equation P=2*pi*r/v and am coming up with 1.87 and its not right. i ...
*December 8, 2010 by kaitlyn*

**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.
*December 3, 2012 by Karen*

**physics**

A satellite orbits Earth at a distance of 3rearth above Earth's surface. (Earth mass equals 5.97 X 10^24, earths equatorial radius equals 6.38 X 10^6) What is the magnitude of the gravitational acceleration of the satellite?
*November 1, 2010 by mercedes*

**Phizzics....**

The Canadian microsatellite MOST (Microvariability and Oscillations of Stars) has a mass of just 52 kg. It travels in an almost circular orbit at an average altitude of 820 km above Earths surface. a) Calculate the gravitational force between Earth and the MOST satellite at ...
*May 15, 2012 by dreamygirl*

**physics**

How do I go about in solving this? A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. (a) How high above Earth's surface is the satellite? ___ km (b) What is the satellite's acceleration? ___m/s2
*March 7, 2010 by jake*

**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 in the equatorial ...
*June 8, 2014 by Anonymous*

**physics 1**

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 418 km above the earths surface, while that for satellite B is at a height of 731 km. Find the orbital speed for (a) satellite A and (b) satellite B.
*March 3, 2014 by Anonymous*

**physics**

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 418 km above the earths surface, while that for satellite B is at a height of 731 km. Find the orbital speed for (a) satellite A and (b) satellite B.
*March 5, 2014 by Anonymous*

**physics**

A satellite moves in a circular orbit around the Earth at a speed of 5.8 km/s. Determine the satellites altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 1024 kg. The value of the universal gravitational ...
*December 11, 2011 by janee*

**Math WORD PROBLEM**

The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 860 miles above the earth in 12 hours at a velocity ...
*October 12, 2011 by Ty*

**physics**

A satellite is in circular orbit around the Earth at a distance of 4.74RE with a speed of 3.63 km/s. With what speed would the satellite hit the Earth's surface if somehow it suddenly stopped and fell to Earth? Ignore air resistance.
*April 23, 2013 by tae*

**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 speed (velocity) of the ...
*March 17, 2012 by John*

**PHYSICS HELP**

A satellite of mass m is orbiting the earth, mass M , in a circular orbit of radius ra . Unfortunately a piece of space debris left by a passing rocket lies directly in the satellite's path. The piece of debris has the same mass m as the satellite. The debris collides with the...
*November 14, 2013 by Anonymous*

**Physics**

Calculate the percentage of Earths gravitational force on the ISS astronauts while orbiting at an altitude of 248 miles above Earths surface. To do this, compare the gravitational force on an orbiting astronaut to the force on the astronaut here at Earths surface using the ...
*January 28, 2014 by Haley*

**Physics Classical Mechanics**

A satellite of mass m is orbiting the earth, mass M , in a circular orbit of radius ra . Unfortunately a piece of space debris left by a passing rocket lies directly in the satellite's path. The piece of debris has the same mass m as the satellite. The debris collides with the...
*November 14, 2013 by Anonymous*

**physics**

The satellite is in a circular orbit 400 km above the Earth's surface, where the free-fall acceleration is 8.71 m/s2. The radius of the Earth is 6400 km. Determine the speed of the satellite.
*October 12, 2012 by Anonymous*

**physics**

An Earth satellite moves in a circular orbit 824 km above Earth's surface with a period of 101.2 min. What are (a) the speed and (b) the magnitude of the centripetal acceleration of the satellite?
*September 2, 2011 by Pat Rick*

**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 the ...
*October 31, 2009 by Anonymous*

**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.
*October 6, 2009 by Sanjna*

**Math**

Earth is represented on a map of a portion of the solar system so that its surface is the circle with equation x squared + y squared + 8x + 6y - 3575=0. A weather satellite circles 0.4 unit above Earth with the center of its circular orbit at the center of Earth. Find the ...
*October 2, 2015 by Anonymous*

**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...
*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...
*November 27, 2012 by Lelia*

**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...
*November 27, 2012 by Lelia*

**physics**

A coin is placed on a vinyl stereo record that is making 78 revolutions per minute on a turntable. Find the magnitude of the acceleration when the coin is placed 5.0, 10, and 17 cm from the center of the record. The radius of Earth is about 6.38x10^3 km. A 7.40x10^3 N ...
*December 13, 2010 by Becky*

**force of gravity**

A satellite orbits around the earth. The mass of the satellite is 1170 kg, and its altitude is 220 km. The mass of the earth is 5.981024 kg. The radius of the earth is 6.38106 m. 1)What is the gravitational force on the satellite? 2)What is the orbital velocity of the ...
*December 9, 2009 by ami*

**Physics**

A communcations satellite of mass 200kg is in circular orbit of radis 4x10^4 km measured from the center of the earth. What is the gravitational force on the satellite and what fraction is this of its weight on the surface of the earth?
*January 31, 2013 by Carolyn Bautista*

**physics**

at what height above the earth's surface in a circular orbit have to travel in order to have an orbital period half that of a geosynchronous satellite's period? (a geosynchronous satellite orbits above the equator so that it is above the same location on the earth's surface at...
*April 27, 2009 by Ann*

**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 satellite be placed?
*May 7, 2011 by Roberto*

**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 satellite be placed?
*May 7, 2011 by Roberto*

**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 satellite be placed?
*April 23, 2013 by tae*

**physics**

Physics Gravitation help...? hello People i need some help with my physics revision sheet. i cant seem to get my head round it. if anyone could help by telling me how to work it out to get the right answer i would be grateful... answers would also be appreciated. ok here is ...
*March 9, 2012 by basher*

**Physics**

A satellite of the Earth has a mass of 1550 kg. It orbits Earth with a mean radius of orbit of 7.00 x 10^6 m. a) What is the gravitational potential energy of the satellite with respect to Earth?
*May 14, 2015 by john*

**physics...**

A satellite moves in a circular orbit around the Earth at a speed of 5661 m/s. (a) Determine the satellite's altitude above the surface of the Earth. i'm using the equation Gm/(r+h)=9.8 where h=altitude and i keep coming up with the wrong answer.
*December 8, 2010 by kaitlyn*

**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 6.6710−11N⋅m2/kg2. The mass of the ...
*December 14, 2014 by cara*

**Science**

What is the circular velocity of an Earth satellite 1000. km above Earth's surface? (Note: Earth's average radius is 6371 km.)
*June 13, 2013 by Mia*