Question

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.

Answer #1

A = 406,000 m

B = 904,000 m

G = 6.67428E-11 m^3/kg-s^2

Mass of earth = 5.9736E+24 kg

radius of earth = 6,371,000 m

Recall that you need the actual orbital distance from the *center*
of the Earth, giving radius plus altitude:

rA = 6.777*10^{6} m

rB = 7.275*10^{6} m

Equation:

V = sqrt (GM / r )

Solve for A

Va = sqrt { [ (6.67428E-11 m^3/kg-s^2) * (5.9736E+24 kg) ] /
(6.777*10^{6} m) }

Va = sqrt (5.87*10^{7})

Va = 7.665*10^{3} m/s

Solve for B

Vb = SQRT { [ (6.67428E-11 m^3/kg-s^2) * (5.9736E+24 kg) ] /
(7.275*10^{6} m) }

Vb = SQRT { [ 3.9869 m^3/s^2 ] / (7,272,000 m) }

Vb = SQRT { 54,826,016 m^2/s^2 }

Vb = 7.398*10^{3} m/s

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
surface, while that for satellite B is at a height of 888 km. Find
the orbital speed for (a) satellite A and
(b) satellite B.

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)...

Two identical earth satellites, A and B, are to be launched into
circular orbits about Earth's center. Satellite A is to orbit at an
altitude of 5290 km. Satellite B is to orbit at an altitude of
22500 km. The radius of Earth is 6400 km.
a) What is the ratio of the mechanical energy of satellite A to
that of satellite B, in orbit?
b)What is the ratio of the angular speed of satellite B to that
of satellite...

A satellite orbits the Earth uniformly in a circular orbit with
a velocity of magnitude 4.00 km/s. Use Newton's gravitation force
as the force in Newton's Law of Acceleration, using also the
centripetal acceleration . Solve for radius r of the satellite's
orbit in terms of v . (a) Find then the altitude of the satellite
above the surface of the Earth. Earth's mass and radius are 5.9810
kg and 6.3810 km. (b) Find the time it takes the satellite...

A satellite of mass 350 kg is in a circular orbit around the
Earth at an altitude equal to the Earth's mean radius.
(a) Find the satellite's orbital speed.
m/s
(b) What is the period of its revolution?
min
(c) Calculate the gravitational force acting on it.
N

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 5230 km. Satellite B is to orbit at an altitude of
24400 km. The radius of Earth REis 6370 km. (a) What is the ratio
of the potential energy of satellite B to that of satellite A, in
orbit? (b) What is the ratio of the kinetic energy of satellite B...

1).
a). An asteroid is discovered in a nearly circular orbit around
the Sun, with an orbital radius that is 2.83 times Earth's. What is
the asteroid's orbital period ?, its "year," in terms of Earth
years?
b). An artificial satellite is in a circular orbit ?=390.0 km
above the surface of a planet of radius ?=3.65×103 km.
The period of revolution of the satellite around the planet is
?=3.15 hours. What is the average density of the planet?

A 565-kg satellite is in a circular orbit about Earth at a
height above Earth equal to Earth's mean radius.
(a)
Find the satellite's orbital speed.
_____ m/s
(b)
Find the period of its revolution.
_____h
(c)
Find the gravitational force acting on it.
_____N

The orbital period of a satellite is 1 hr 34 min. It orbits at
an altitude of 480 km above the Earth's surface.
a) Determine the initial velocity in order to launch the
satellite in that circular orbit.
b) Find the speed of the satellite once its circular orbit has
been achieved. Assume a uniform circular motion.

a) What linear speed must an Earth satellite have to be in a
circular orbit at an altitude of 141 km above Earth's surface? (b)
What is the period of revolution?

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 12 minutes ago

asked 13 minutes ago

asked 16 minutes ago

asked 16 minutes ago

asked 18 minutes ago

asked 37 minutes ago

asked 43 minutes ago

asked 53 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago