Question
In: Physics
If a satellite is in a sufficiently low orbit, it will encounter air drag from the...
If a satellite is in a sufficiently low orbit, it will encounter air drag from the earth's atmosphere. Since air drag does negative work (the force of air drag is directed opposite the motion), the mechanical energy will decrease. If E decreases (becomes more negative), the radius r of the orbit will decrease. If air drag is relatively small, the satellite can be considered to be in a circular orbit of continually decreasing radius.
a.) A satellite with mass 2140 kg is initially in a circular orbit a distance 330 km above the earth's surface. Due to air drag, the satellite's altitude decreases to 205 km . Calculate the initial orbital speed.
b.) Calculate the increase in orbital speed.
c.) Calculate the initial mechanical energy.
d.) Calculate the change in kinetic energy.
e.) Calculate the change in gravitational potential energy.
f.) Calculate the change in mechanical energy.
g.) Calculate the work done by the force of air drag.
Solutions
genius_generous answered 7 months agoRelated Solutions
If a satellite is in a sufficiently low orbit, it will encounter air drag from the...
If a satellite is in a sufficiently low orbit, it will encounter
air drag from the earth's atmosphere. Since air drag does negative
work (the force of air drag is directed opposite the motion), the
mechanical energy will decrease. If Edecreases (becomes
more negative), the radius r of the orbit will decrease.
If air drag is relatively small, the satellite can be considered to
be in a circular orbit of continually decreasing radius.
Part A
A satellite with mass 2590...
If a satellite is in a sufficiently low orbit, it will encounter air drag from the...
If a satellite is in a sufficiently low orbit, it will encounter
air drag from the earth's atmosphere. Since air drag does negative
work (the force of air drag is directed opposite the motion), the
mechanical energy will decrease. If E decreases (becomes more
negative), the radius r of the orbit will decrease. If air drag is
relatively small, the satellite can be considered to be in a
circular orbit of continually decreasing radius.
a.) A satellite with mass 2250...
A satellite is in an elliptical orbit around the earth. The distance from the satellite to...
A satellite is in an elliptical orbit around the earth. The
distance from the satellite to the center of the earth ranges from
7.2 Mm at perigee (where the speed is 8.0 km/s) to 9.9 Mm at
apogee.
1. Assume the initial conditions are x = 0, y = 7.2 × 106 m, vx
= 8.0×103 m/s, and vy = 0. Use python program to print its speed,
distance from the earth, kinetic energy, potential energy, and
total mechanical energy...
A satellite is put into an elliptical orbit around the Earth. When the satellite is at...
A satellite is put into an elliptical orbit around the Earth.
When the satellite is at its perigee, its nearest point to the
Earth, its height above the ground is hp=215.0 km,hp=215.0 km, and
it is moving with a speed of vp=8.450 km/s.vp=8.450 km/s. The
gravitational constant GG equals 6.67×10−11 m3⋅kg−1⋅s−26.67×10−11
m3·kg−1·s−2 and the mass of Earth equals 5.972×1024 kg.5.972×1024
kg.
When the satellite reaches its apogee, at its farthest point
from the Earth, what is its height haha above...
A satellite is put into an elliptical orbit around the Earth. When the satellite is at...
A satellite is put into an elliptical orbit around the Earth.
When the satellite is at its perigee, its nearest point to the
Earth, its height above the ground is ℎp=215.0 km, and it is moving
with a speed of ?p=8.850 km/s. The gravitational constant ? equals
6.67×10−11 m3·kg−1·s−2 and the mass of Earth equals 5.972×1024 kg.
When the satellite reaches its apogee, at its farthest point from
the Earth, what is its height ℎa above the ground? For this...
A satellite is put into an elliptical orbit around the Earth. When the satellite is at...
A satellite is put into an elliptical orbit around the Earth.
When the satellite is at its perigee, its nearest point to the
Earth, its height above the ground is hp=215.0 km,hp=215.0 km, and
it is moving with a speed of vp=8.450 km/s.vp=8.450 km/s. The
gravitational constant GG equals 6.67×10−11 m3⋅kg−1⋅s−26.67×10−11
m3·kg−1·s−2 and the mass of Earth equals 5.972×1024 kg.5.972×1024
kg.
When the satellite reaches its apogee, at its farthest point
from the Earth, what is its height haha above...
A communications satellite is in a synchronous orbit that is 3.47
A communications satellite is in a synchronous orbit that is
3.47
Explain two reasons behind the commercial failure of Low Earth Orbit satellite mobile communications companies (such...
Explain two reasons behind the commercial failure of Low Earth
Orbit satellite mobile communications companies (such as
Iridium).
A rocket carrying a new 990-kg satellite into orbit misfires and places the satellite in an...
A rocket carrying a new 990-kg satellite into orbit misfires and
places the satellite in an orbit with an altitude of 120 km, well
below its operational altitude in low-Earth orbit.
(a) What would be the height of the satellite's orbit if its
total energy were 545 MJ greater?
km
(b) What would be the difference in the system's kinetic energy?
(Include the sign of the value in your answer.)
MJ
(c) What would be the difference in the system's...
Calculate at what distance from the centre a satellite has to orbit Earth (of mass 6...
Calculate at what distance from the centre a satellite has to
orbit Earth (of mass 6 x 10 24 kg) if it period or revolution is to
equal Earth’s rotation period of 23h 56m (about 86, 160 seconds.)
What is important about such a satellite? c) The mass of the moon
is 81 times smaller (7.4074x 10 22 kg) and the period of orbit is
27.3 days. (Convert using 86, 400 sec = 1 day.) What should the
radius of...
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