# Relativistic Orbits - Page 4

Questions

- The Martian satellite Phobos travels in an approximately circular orbit of radius #9.4 * 10^6# #m# with a period of #7# #h# #39# #min#. What is the mass of Mars?
- How does an alteration in eccentricity of the orbit affect the elliptical and circular nature of it?
- What keeps a satellite up in its orbit about the Earth?
- What is the speed of a satellite moving in a stable circular orbit about the Earth at a height of 4000 km?
- The radius of the moon's orbit about the Earth is about #3.6 * 10^8# #m#. The moon's period is #2.3 * 10^6# seconds. What is the centripetal acceleration of the moon?
- Why does adding a second planet affect the orbit of the first planet?
- What is meant by Apogee and perigee,Eccentricity? How do we Calculate them?
- What defines a planet's orbit?
- What is the Sun's gravitational pull strength?
- Has time dilation been proved to occur?
- According to theory of general relativity,the light from a distant star in its path bent due to gravity of sun.Why it was not trapped in sun's orbit (to revolve around the sun)?
- What is the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 3600 km?
- A satellite in a circular orbit experiences a centripetal acceleration of #8.62# #m##/s^2#. The tangential speed of the satellite is #7.65 * 10^3 m##/s#. What is the altitude of the satellite?
- What is the centripetal force that holds planets in orbit?
- How do you calculate the altitude and velocity of a satellite in a geosynchronous orbit of Mars?
- Which law explains how rockets are launched into space?
- Can u derive the formula for orbital velocity with proper explanation?
- Can u derive the formula for escape velocity with proper explanation?