Question

Determine the gravitational force between a star with mass equal to 1.97 solar masses and a planet with mass equal to 1.85 Earth masses if the semi-major axis of the planet's orbit is 2.77 AU. State your answer in Newtons.

Answer #1

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Planet Yoyo is discovered to orbit around a star with 5 times
the mass of our Sun. It orbits at a distance of 7 AU in a circular
orbit. The orbital period is measured to be 8 years. Find:
1) The mass of the planet. Give the answer in both solar masses
and kilograms
2) The mass of the star in kilograms
3) The distance of the planets orbit in meters.
4) The force due to gravity between the planet...

Mass(Solar Masses)
Semi Major axis(AU)
Sun
1
0.004967199691804744
Jupiter
0.0009546133303706552
5.2033630099999995
Considering the following variables of the sun and jupiter.
These bodies orbit their barycenter where the semi major axis is
from the barycentre If jupiter has an orbital period of T=4331
days,what is the velocity of the sun around the barycentre

Procyon, a 1.5 solar mass main sequence star, has a white dwarf
companion of mass 0.6 solar masses. They orbit each other with a
period of 40.82 years. What is the distance between the two stars
in au?

A planet has a circular orbit around a star of mass M. However,
the star just explodes, projecting its outer envelope at a much
greater speed than that of the planet in orbit. Its lost mass can,
therefore, be considered as having been lost instantaneously.
What remains of the star has a mass M ', always greater than
that of the planet. What is the eccentricity of the planet's orbit
after the explosion? You can neglect the force exerted on...

a)
two masses are separated by the length of 91 meters. the
gravitational force between them is (1.0 x 10^-9). what is each
mass?
b) a planet has 9/10 the earths mass and 19/20 the earths
radius. what is the value of the ratio g-planet/g-earth?
m-earth= 5.98 x 10^24 kg
r-earth= 6.37 x 10^6 kg

What is the gravitational force between a satellite that has a mass
2500 kg and the earth while the satellite is 500 miles above the
surface of the earth? answer in Newtons

A planet orbits a star of mass 8.72×10^30 kg with a period of
5.72 years. It is also known that the planet has an eccentricity of
0.664.
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 the closest approach to its
parent start (perihelion)?
4. What is the farthest distance the planet travels away
from its parent...

PLEASE ANSWER ALL PARTS WITH APPROPRIATE FORMULAS (EXPLAIN
FULLY)
1.) Two equal highly dense spherical masses M = 450 kg are
positioned on the y axis (so x=0) at points given by y = -1.20 m
and y = +1.20 m. A third small spherical mass m = 100 kg is
located on the x axis at x = 0.880 m. Find the net gravitational
force on the smaller mass m caused by the other two masses.
2.) The planet...

(a) Find the magnitude of the gravitational force (in N) between
a planet with mass 6.75 ✕ 1024 kg and its moon, with mass 2.60 ✕
1022 kg, if the average distance between their centers is 2.10 ✕
108 m. Incorrect: Your answer is incorrect. N (b) What is the
moon's acceleration (in m/s2) toward the planet? (Enter the
magnitude.) m/s2 (c) What is the planet's acceleration (in m/s2)
toward the moon? (Enter the magnitude.) m/s2

We know that most of the mass (>99%) of the solar
system is in the Sun. Is this consistent with the masses you
calculated in the first table, and the solar system rotation curve?
Explain your answer.
Planet
Distance from Sun (AU)
Orbital Velocity (km/s)
Mass inside orbit = v2r/887
(solar masses)
Mercury
0.4
47.4
1.013195
Venus
0.7
35.0
0.966741
Earth
1.0
29.8
1.001172
Mars
1.5
24.1
0.982204
Jupiter
5.2
13.1
1.006056
Saturn
9.6
9.7
1.018335
Uranus
19.2
6.8
1.000910...

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