Wednesday

August 24, 2016
Number of results: 68,021

**physics**

Which of these cannot occur? A) A satellite orbiting about the equator.B) A satellite orbiting about the Earth's poles.C) Actually all these can occur.D) A satellite orbiting about the Arctic Circle.
*March 6, 2012 by jim*

**Physics**

Mars rotates on its axis once every 24.8 hours. What is the altitude of a geosynchronous satellite orbiting Mars. I have the speed of geosynchronous orbiting Mars. But I cant find the altitude of a geosynchronous satellite orbiting Mars.
*April 6, 2010 by Hoa*

**Physics 203**

Mars rotates on its axis once every 24.8 hours. What is the speed of a geosynchronous satellite orbiting Mars? What is the altitude of a geosynchronous satellite orbiting Mars?
*April 4, 2010 by Michael Moskvich*

**Physics**

A 620 kg satellite orbits the earth where the acceleration due to gravity is 0.233 m/s^2. What is the kinetic energy of this orbiting satellite?
*June 14, 2016 by L*

**SCTD**

Physics a satellite orbiting 3.22 times 10 to the 5th power meters above the surface of the earth get the mass of the satellite is 3.80 times 10 to the 4th kilograms what is the weight or gravitational force exerted on the satellite by the earth?
*July 7, 2015 by Jason*

**Physics**

What provides the centripetal force : i)on the elctron orbiting the proton in a hydrogen atom ii)satellite orbiting the planet iii)on the child being whirled round in a chair on the end of a chain in the fairground ride ? Ayuada por favorr :)
*March 22, 2011 by Nelly*

**Physics**

You observe an arti cial satellite orbiting the earth and estimate it is at an altitude h = [03] km above the earth's surface and has a mass m = 3500 kg. You wish to calculate when the satellite will be back in the same position. From the second law of motion and the ...
*April 1, 2010 by Adrianne*

**physics**

A radar antenna is tracking a satellite orbiting the earth. At a certain time, the radar screen shows the satellite to be 118 km away. The radar antenna is pointing upward at an angle of 58.2 ° above the ground. Find (a) the x and (b) the y components (in km) of the position ...
*September 28, 2014 by Ashley*

**physics**

A radar antenna is tracking a satellite orbiting the earth. At a certain time, the radar screen shows the satellite to be 181 km away. The radar antenna is pointing upward at an angle of 66.2 ° above the ground. Find (a) the x and (b) the y components (in km) of the position ...
*December 14, 2014 by need help*

**physics**

Two satellites are orbiting the Earth in stable circular orbits. Satellite A has a mass m and is located at a distance 2r from the center of the Earth. Satellite B has a mass 2m and is located at a distance r from the center of the Earth. Which one of the following statements ...
*June 8, 2014 by Sam*

**Physics**

Two satellites A and B of the same mass are orbiting Earth in concentric orbits. The distance of satellite B from Earth’s center is twice that of satellite A. What is the ratio of the tangential speed of B to that of A?
*December 5, 2011 by idiot*

**PHYS 400**

The gravitational potential energy of a low-Earth orbit satellite has been estimated at 1.5 million joules. If the satellite has a mass of 417 grams, and g=9.8ms-2, at what altitude (in meters) is the satellite orbiting? Give your answer to the nearest meter.
*May 8, 2016 by odee*

**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 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 **

A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 9.81 m/s2 (the acceleration due to gravity near the earth's surface). If the earth's ...
*April 15, 2013 by *

**Physics**

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

**Pre- AP Physics**

The earth exerts a force of 1400 N on an orbiting communications satellite that is 35 mi above the Earth. What is the magnitude of the force the satellite will exert on the earth? Answer in units of Newtons
*November 4, 2012 by Jaycee*

**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 satellite of mass 2500kg is orbiting the Earth in an elliptical orbit.At the farthest point from the Earth,its altitude is 3600km,while at the nearest point,it is 1100km.calculate the energy and angular momentm of the satellite and its speed at the aphelion and perihelion.
*March 25, 2016 by pawan kumar*

**physics**

A satellite of mass 2500kg is orbiting the Earth in an elliptical orbit.At the farthest point from the Earth,its altitude is 3600km,while at the nearest point,it is 1100km.calculate the energy and angular momentm of the satellite and its speed at the aphelion and perihelion.
*March 25, 2016 by Anonymous*

**Physics**

In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016 and a radius of 8.50 . What is the speed of a satellite orbiting 4.70km above the surface? What is the escape speed from the asteroid?
*April 15, 2010 by Mikhail*

**Physics**

In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016 and a radius of 8.50km . What is the speed of a satellite orbiting 4.70km above the surface? What is the escape speed from the asteroid?
*April 7, 2010 by Hoa*

**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**

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**

Determine the velocity of a satellite orbiting Earth at a height of 3.2 x 10^3 meters.
*March 1, 2012 by becky*

**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 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 7.90 µV/m. (a) What is the intensity of this wave? W/m2? (b) What is the power received by the antenna? W? (c) If the orbiting ...
*April 7, 2013 by taryn*

**physics**

A 2.10 m diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 7.90 µV/m. (a) What is the intensity of this wave? W/m2? (b) What is the power received by the antenna? W? (c) If the orbiting ...
*April 5, 2013 by taryn*

**Math**

A geosynchronous equatorial orbiting satellite orbits 22,300 miles above the equator of Earth. It completes one full revolution each 24 hours. Assume Earth's radius is 3960 miles. a. How far will the GEO satellite travel in one day? b. What is the satellite's linear velcoity ...
*November 18, 2007 by Mike*

**physics**

I have a drawing of a satellite orbiting the sun in an elliptical shape. The sun is closer to the right side of the ellipse. As the satellite travels from the left side of the ellipse to the right, the speed increases and the angular momentum remains constant. Why?????
*January 19, 2008 by Hannah*

**465465**

A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 9.81 m/s2 (the acceleration due to gravity near the earth's surface). If the earth's ...
*September 22, 2010 by Anonymous*

**Physics**

Find the orbital velocity of a satellite orbiting 1800km above sea level in meters per second?
*February 11, 2008 by Charles*

**physics**

A radio receiver is set up on a mast in the middle of a calm lake to track the radio signal from a satellite orbiting the Earth. As the satellite rises above the horizon, the intensity of the signal varies periodically. The intensity is at a maximum when the satellite is 1 = 3...
*May 21, 2011 by Anonymous*

**physics**

A radio receiver is set up on a mast in the middle of a calm lake to track the radio signal from a satellite orbiting the Earth. As the satellite rises above the horizon, the intensity of the signal varies periodically. The intensity is at a maximum when the satellite is 1 = 3...
*May 21, 2011 by ryan*

**Physics**

A radio receiver is set up on a mast in the middle of a calm lake to track the radio signal from a satellite orbiting the Earth. As the satellite rises above the horizon, the intensity of the signal varies periodically. The intensity is at a maximum when the satellite is 1 = 3...
*May 21, 2011 by Anonymous*

**Math HELP PLEASE QUICK!**

A radio signal travels at 3 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7?
*April 11, 2016 by Sydney*

**Math help plz?? **

i just need a little help...with this A radio signal travels at 3 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7?
*June 1, 2016 by othilia....yes you prob know me...*

**Physics....Orbiting Satellite**

A orbiting satellite stays over a certain spot on the equator of (rotating) Venus. What is the altitude of the orbit (called a "synchronous orbit")? I found the radius and mass of Venus on the google, but I don't know what I should plug in the "T" if I use the Kepler's 3rd law...
*January 15, 2007 by Jessy*

**high school**

The earth exerts a force of 1400 N on an orbiting communications satellite that is 35 mi above the Earth. What is the magnitude of the force the satellite will exert on the earth? Answer in units of N.
*December 16, 2010 by Sangita*

**Phsyics**

In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016 kg and a radius of 8.50 km. What is the speed of a satellite orbiting 4.70 km above the surface? What is the escape speed from the asteroid?
*April 13, 2010 by Mikhail Moskvich*

**science**

The earth exerts a force of 2200N on an orbiting communications satellite that is 35mi above the earth..What is the magnitude of the force the satellite will exert on the earth??
*March 11, 2010 by Elver Gon*

**Physics**

A 3000kg satellite orbits the Earth 400km above the equator. find a)The speed of the satellite b) The kinetic energy of the satellite c) The potential energy of the satellite d) The total energy of the satellite
*November 8, 2012 by Dave*

**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 *

**Algebra ASAP!**

Radio signals travel at a rate of 3 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of the Earth if the satellite is orbiting at a height of 9.6 x 10^6. Can someone show me how to do this so that I can not ...
*March 8, 2016 by Astral Tellurian*

**Math**

24. A radio signal travels at 3.00 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7 meters?
*May 1, 2016 by Leet Speaker*

**math**

radio signal travels 3.00*10^8 meters per seconded. how many seconds will it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 3.54*10^7 meters? I am so confused @Mrssue
*June 20, 2016 by lory PLEASE HELP!*

**Physics**

1. At what height above the earth is the free-fall acceleration 30% of its value at the surface? 2. What is the speed of a satellite orbiting at that height?
*March 24, 2013 by Leanna*

**Math**

Ms. Sue please help! A radio signal travels at 3.00 • 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 • 10^7 meters? Show your work.
*June 10, 2014 by Austin*

**Math**

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 35 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0° and 84.2°, respectively. (Round ...
*June 22, 2016 by Jennifer*

**Physics**

A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a "synchronous orbit")?
*November 11, 2009 by Ray*

**Physics**

A orbiting satellite stays over a certain spot on the equator of (rotating) Mercury. What is the altitude of the orbit (called a "synchronous orbit")?
*November 11, 2009 by Ray*

**physics**

A orbiting satellite stays over a certain spot on the equator of (rotating) Pluto. What is the altitude of the orbit (called a "synchronous orbit")? km
*July 16, 2010 by Sam*

**physics**

What is the angular velocity in radian per second of a satellite that has an orbital velocity of 9000 m.s^-1, orbiting at a distance of 6500 km from the center of the earth
*October 12, 2010 by ma*

**College Physics**

A 300 kg satellite is orbiting the earth with 20,352 km/h speed. Calculate the orbital radius in km. Assume G=7*(10^-11) N.m2/kg2 and Mass of earth = 6*(10^24) kg
*November 18, 2010 by Jim Raynor*

**physics**

Use Kepler’s laws and the period of the Moon (27.4 d) to determine the period of an artificial satellite orbiting very near the Earth’s surface.
*October 30, 2015 by rani*

**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*

**Science **

What is the centripetal acceleration a satellite is orbiting the Earth at an altitude of 300.22 km?
*February 1, 2016 by Jack*

**Physics-Gravity**

A orbiting satellite stays over a certain spot on the equator of (rotating) Pluto. What is the altitude of the orbit (called a "synchronous orbit")? Do I use T^2=4pi^2/GM x r^3?
*July 17, 2010 by Anna*

**Math help plz?? **

24. A radio signal travels at 3.00 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7 meters? im guessing its 118 seconds but im not sure..
*June 7, 2016 by othilia *

**physics....**

1) Yellow light that has a wavelength of 560 nm passes through two narrow slits that are 0.300 mm apart. An interference pattern is produced on a screen 160 cm distant. What is the location of the first-order maximum? 2) A communication satellite is orbiting 36 000 km above ...
*June 12, 2012 by kennedy*

**physics**

Calculate the period of a satellite orbiting the Moon, 95 km above the Moon’s surface. Ignore effects of the Earth. The radius of the Moon is 1740 km.
*October 30, 2015 by rani*

**physics**

A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 1.30 104 s. What is the speed at which the satellite travels?
*December 19, 2010 by jessica*

**Physics**

A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 2.60 104 s. What is the speed at which the satellite travels?
*March 2, 2011 by Nick*

**Physics**

A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which the satellite travels?
*October 6, 2012 by Moises*

**physics**

A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 4.20 104 s. What is the speed at which the satellite travels?
*November 7, 2012 by Don*

**physics 1**

A satellite is in a circular orbit about the earth (ME = 5.98 x 1024 kg). The period of the satellite is 1.77 x 104 s. What is the speed at which the satellite travels?
*March 5, 2014 by Anonymous*

**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*

**Algebra**

Radio signals travel at a rate of 3*10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 4.2*10^7 meters? (Hint: Time is distance divided by speed.) a. 1.26*10^...
*March 3, 2016 by Kaai97*

**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 earth’s 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 earth’s 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**

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 427 km above the earth’s surface, while that for satellite B is at a height of 873 km. Find the orbital speed for (a) satellite A and (b) satellite B.
*October 9, 2015 by Regheim Beck*

**earth**

A satellite 200 miles above the earth is orbiting the earth once every 6 hours. How long, in hours, does it take the satellite to travel 8,400 miles? (Assume the radius of the earth is 4,000 miles.) Give your answer both as an exact value and an approximation to three ...
*February 20, 2012 by Anonymous*

**Physics Circular Motion**

A satellite in orbit around the earth has a period of one hour. An identical satellite is placed in an orbit having a radius that is nine times larger than that of the first satellite. What is the period of the second satellite?
*February 15, 2015 by Jayesh*

**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*

**physics**

A 20000 kg satellite is launched from the surface of saturn and put into orbit.The satellite is launched at the speed of 27.5 x 10^3 m/s. a)calculte the satellite's total energy. b)Its orbital radius c)If the satellite was shot straight up at the same speed, find its maximum ...
*June 18, 2012 by Roger*

**physics**

Two satellites are in orbit around Mars with the same orbital radius. Satellite 2 has twice the mass of satellite 1. What is the centripetal acceleration of satellite?
*November 10, 2011 by susan*

**PHYSICS SATELLITE PROBLEM**

A 3300kg satellite is traveling 3550 km above the Earth's surface. Calculate the velocity and period of the satellite. THANK YOU VERY MUCH!!!!
*May 22, 2013 by Mike Jones*

**algebra--1 question**

Radio signals travel at a rate of 3 * 10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 9.6 * 10^6 meters? (1 point) 3.2 x 10^2 seconds 3.2 x 10^-2 seconds 3....
*March 11, 2015 by SkatingDJ*

**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 *

**PHYSICS**

Two satellites A and B are in different circular orbits about the earth. The orbit speed of satellite A is three times that of satellite B. Find the ratio (TA/TB) of the periods of the satellite.
*November 1, 2010 by jack*

**physics 12**

An 884 kg satellite in orbit around a planet has a gravitational potential energy of -5.44*10^10 J. The orbital radius of the satellite is 8.52*10^6 m and its speed is 7.84*10^3 m/s. A) What is the mass of the planet? B) What is the kinetic energy of the satellite? C) What is ...
*October 8, 2011 by adrian*

**physics**

What is the speed of a communications satellite orbiting the Moon at an altitude of 290 km above the Moon’s surface? I know that G=6.67e-11 and h=290. I plugged inthese values, 7.35e24 for the mass and 1.738e6 for the radius into v=sqrtGM/R=h but I didn't get the right answer.
*January 19, 2011 by joe*

**physics(universal law of gravitation)**

a satellite has a mass of 100 kg and is located at 2 x 10^6 m above the surface if the Earth. wHAT is the potential energy associated with the satellite at this location? What is the magnitude of the gravitational force on the satellite?
*January 14, 2010 by Nina*

**physical**

What is the reaction force to an action force of 750 N exerted by Earth on an orbiting communications satellite?
*October 27, 2011 by Anonymous*

**physics**

A satellite is orbiting around a planet. its velocity is found to depend upon a.)Radius of orbit b.)mass of planet c.)universal gravitational constant(G) Using dimensional analysis find an expression relating orbital velocity to the above physical quantities
*April 25, 2016 by sahstra kishore*

**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*

**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
*November 14, 2012 by heather*

**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**

A satellite has a mass of 99 kg and is located at 1.97 106 m above the surface of Earth. (a) What is the potential energy associated with the satellite at this location? Answer in J (b) What is the magnitude of the gravitational force on the satellite? Answer in N
*October 6, 2011 by Allie*

**Physics - centripetal acceleration**

What is the centripetal acceleration of a satellite orbiting Saturn at the location exactly on Saturn radius above the surface of Saturn
*October 31, 2010 by Farah*

**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*

**help physics**

A satellite, LangSat, moves in circular orbit around the Earth at a speed of 4.95kms-1. (i) What is the altitude of the satellite (ii) Determine the period of the satellite’s orbit (iii) What is the value of the gravity, g, at the satellite. (iv) If another satellite, DukuSat...
*September 2, 2013 by kent*

**Physics **

An Earth satellite moves in a circular orbit 765 km above the Earth's surface. The period of the motion is 99.9 min. (a) What is the speed of the satellite? ______ m/s (b) What is the magnitude of the centripetal acceleration of the satellite? ______m/s^2
*October 11, 2015 by Corey*

**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**

I'm really struggling trying to understand what formulas to use for the following: A satellite orbits the earth with a radius of 7000 km. (a) what is the acceleration of gravity at this distance? (b) what is the velocity of the satellite? (c) how long does it take the ...
*June 28, 2016 by Anna*

**Physics**

I'm really struggling trying to understand what formulas to use for the following: A satellite orbits the earth with a radius of 7000 km. (a) what is the acceleration of gravity at this distance? (b) what is the velocity of the satellite? (c) how long does it take the ...
*June 29, 2016 by Anna*

**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 lens as...
*December 2, 2012 by Brian*

**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*