Question

1. A satellite is in a circular orbit about the earth (ME = 5.98 x 1024 kg). The period of the satellite is 2.35 x 104 s. What is the speed at which the satellite travels?

2. Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 545 km above the earth’s surface, while that for satellite B is at a height of 787 km. Find the orbital speed for (a) satellite A and (b) satellite B.

Answer #1

A satellite is in a circular orbit about the earth (ME = 5.98 x
1024 kg). The period of the satellite is 1.04 x 104 s. What is the
speed at which the satellite travels

Two satellites are in circular orbits around the earth. The
orbit for satellite A is at a height of 556 km above the earth’s
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(b) satellite B.

Two satellites are in circular orbits around the earth. The
orbit for satellite A is at a height of 406 km above the earth's
surface, while that for satellite B is at a height of 904 km. Find
the orbital speed for satellite A and satellite B.

Consider a 355kg satellite in a circular orbit at a distance of
3.07 x 104 km above the Earth’s surface. What is the
minimum amount of work the satellite’s thrusters must do to raise
the satellite to a geosynchronous orbit? Geosynchronous orbits
occur at approximately 3.60 x 104 km above the Earth’s
surface. The radius of the Earth and the mass of the Earth are
RE = 6.37 x 103 km and ME = 5.97 x
1024 kg respectively. The...

A satellite of mass 1525 kg is in circular orbit around Earth.
The radius of the orbit of the satellite is equal to 1.5 times the
radius of Earth (RE = 6.378*106 m, ME = 5.98*1024 kg, G =
6.67*10-11 Nm2/kg2). (a) Find the orbital period of the satellite?
(b) Find the orbital (tangential) velocity of the
satellite. (c) Find the total energy of the
satellite?

A 200 kg satellite is placed in Earth’s orbit 200 km above the
surface. The Radius of Earth is 6.37 x 106 m, and the Earth’s mass
is 5.98 x 1024 kg.
A) Assuming a circular orbit, how long does the satellite take
to complete one orbit?
B) What is the satellite’s speed?

A satellite is in a circular orbit around the Earth at an
altitude of 3.32 106 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 Earth is 5.98 1024 kg.) h (b) Find the speed
of the satellite. km/s (c) Find the acceleration of the satellite.
m/s2 toward the...

A satellite is in a circular orbit around the Earth at an
altitude of 3.84 106 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 Earth is
5.98 1024 kg.)
h
(b) Find the speed of the satellite.
km/s
(c) Find the acceleration of the satellite.
m/s2 toward the center of the...

A satellite is in a circular orbit around the Earth at an
altitude of 1.66 106 m. (a) Find the period of the orbit (in hrs).
(Hint: Modify Kepler's third law: T2 = (4π2/GMS)r3 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 Earth is
5.98 1024 kg.) (b) Find the speed of the satellite (in km/s). (c)
Find the acceleration of...

A satellite circles the earth in an orbit whose radius is 3.14
times the earth's radius. The earth's mass is 5.98 x
1024 kg, and its radius is 6.38 x 106 m. What
is the period of the satellite?
Two newly discovered planets follow circular orbits around a
star in a distant part of the galaxy. The orbital speeds of the
planets are determined to be 44.6 km/s and 59.9 km/s. The slower
planet's orbital period is 8.88 years. (a)...

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