Question
In: Physics
A planet has an eccentricity of 0.664 and orbits a star of mass 8.72×10^30 kg with...
A planet has an eccentricity of 0.664 and orbits a star of mass 8.72×10^30 kg with a period of 5.72 years.
Give Answers in Meters
1. What is the semi-major axis of the planet's orbit?
2. What is the average velocity of the planet in its orbit?
3. What is the distance of closest approach to its parent start (perihelion)?
4. What is the farthest distance the planet travels away from its parent start (aphelion)?
Solutions
genius_generous answered 2 years agoRelated Solutions
3. A scientific probe of mass 450 kg orbits a planet every 1.49 hr at an...
3. A scientific probe of mass 450 kg orbits a planet
every 1.49 hr at an altitude of 251 km. The radius of
the planet is 3.40 × 105 m. (G = 6.67 × 10−11 Nm2/kg2)
(a) What is the magnitude of the gravitational acceleration on the
surface of the planet? Express your
answer as a multiple of g, where g = 9.8 m/s2
.
(b) The planet has a moon with an orbital period of 6.45 hr. What
is...
Is the angular momentum of a planet conserved as it orbits a star? Explain your answer...
Is the angular momentum of a planet conserved as it orbits a
star? Explain your answer using torque. Conservation of angular
momentum:
The angular momentum of an object or system is conserved
whenever the total external torque on the object or system is zero.
τ ⃗_ext=0 → ∆L ⃗=0
1. A planet orbits a star with a period of 275 days and semimajor axis of...
1. A planet orbits a star with a period of 275 days and
semimajor axis of 3.4×10^11m. If this planet's eccentricity is
zero, what is the mass of the star?
b. Another planet orbits this same star with a period of 453
days. If it's eccentricity is e= 0.43 then how fast is this planet
moving at Perihelion? Aphelion?
c. What is the second planet’s Kinetic Energy at Aphelion if it
has a mass of 5×10^26 kg? What is it’s...
2. Planet Zero has a mass of 5.0 × 10^23 kg. a. If a stone is...
2. Planet Zero has a mass of 5.0 × 10^23 kg.
a. If a stone is dropped near the surface of the planet and
falls 20 m in 2.19 s, what is the radius of Planet Zero?
b. A space probe is launched vertically from the surface of Zero
with an initial speed of 4.0 km/s.
C.What is the speed of the probe when it is 3.0 × 10^6 m from
Zero's center?
annotate, explain the processes.
A planet orbits a Sun-like star at an orbital distance of 40 AU. What is its...
A planet orbits a Sun-like star at an orbital distance of 40 AU.
What is its orbital period?
An imaginary planet has a mass twice as great as the Earth’s (5.97 x 10^24 kg),...
An imaginary planet has a mass twice as great as the Earth’s
(5.97 x 10^24 kg), but the same radius (6.38 x 10^6 m).
What is the acceleration due to gravity on the surface of the
planet?
What would be the weight of a 60 - kg robot on that planet?
At what altitude (height from the surface of that planet) would
a 60-kg person weigh 300 N?
The period of rotation of this planet is 20 hours. At what...
An imaginary planet has a mass twice as great as the Earth’s (5.97 x 10^24 kg),...
An imaginary planet has a mass twice as great as the Earth’s
(5.97 x 10^24 kg), but the same radius (6.38 x 10^6 m).
What is the acceleration due to gravity on the surface of the
planet?
What would be the weight of a 60 - kg robot on that planet?
At what altitude (height from the surface of that planet) would
a 60-kg person weigh 300 N?
The period of rotation of this planet is 20 hours. At what...
The International Space Station, which has a mass of 4.48{\times}10^54.48×10 ?5 ?? kg, orbits 250 miles...
The International Space Station, which has a mass of
4.48{\times}10^54.48×10 ?5 ?? kg, orbits 250 miles above the
Earth's surface, and completes one orbit every 87.3 minutes. What
is the kinetic energy of the International Space Station? (Note:
don't forget to take into account the radius of the Earth!) (I got
57.2. I don't know where I went wrong haha!)
A 0.957 kg object with an initial velocity of 1.6 m/s is
accelerated by a constant force of 9.5 N...
A neutron star has a mass of 3.35 × 1030 kg (about the mass of our...
A neutron star has a mass of 3.35 × 1030 kg (about the mass of
our sun) and a radius of 6.09 × 103 m. Suppose an object falls from
rest near the surface of such a star. How fast would it be moving
after it had fallen a distance of 0.013 m? (Assume that the
gravitational force is constant over the distance of the fall, and
that the star is not rotating.)
The planet Mars has a diameter of 6772 km, and it orbits the sun at a...
The planet Mars has a diameter of 6772 km, and it orbits the sun
at a distance of 227.9 x 10^6 km. If the sun is assumed to radiate
like a blackbody at 5760 K, and Mars has an albedo of 0.15 (
reflects 15% of incident radiation back to space), estimate the
average temperature of the Martian surface. Ignore the effects of
the thin Martian atmosphere.
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