Question

If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 22.0 km ? Take the mass of the sun to be ms = 1.99×1030 kg , the gravitational constant to be G = 6.67×10−11 N⋅m2/kg2 , and the free-fall acceleration at the earth's surface to be g = 9.8 m/s2 .

Express your weight wstar in newtons.

Answer #1

Neutron stars, such as the one at the center of the Crab Nebula,
have about the same mass as our sun but a much smaller
diameter.
If you weigh 690 N on the earth, what would be your weight on
the surface of a neutron star that has the same mass as our sun and
a diameter of 21.0 km ?
Take the mass of the sun to be ms =
1.99×1030 kg , the gravitational constant to be
G...

Neutron stars, such as the one at the center of the Crab Nebula,
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you weigh 670 N on the earth, what would be your weight on the
surface of a neutron star that has the same mass as our sun and a
diameter of 21.0 km ? Take the mass of the sun to be ms = 1.99×1030
kg , the gravitational constant to be G...

neutron stars, such as the one at the center of the crab Nebula,
have about the same mass as our sun but a much smaller diameter. if
you weigh 690 N on the earth, what would be your weight on the
surface of a neutron star has the same mass our sun and a diameter
of 190. km? take the mass of the sun to be ms= 1.99x10^30 kg. the
gravitational constant to be G= 6.67x10^-11 N.m^2/kg^2. and the
acceleration...

uring a solar eclipse, the Moon is positioned directly between
Earth and the Sun.
The masses of the Sun, Earth, and the Moon are 1.99×1030
kg,1.99×1030 kg, 5.98×1024 kg,5.98×1024 kg, and 7.36×1022
kg,7.36×1022 kg, respectively. The Moon's mean distance from Earth
is 3.84×108 m,3.84×108 m, and Earth's mean distance from the Sun is
1.50×1011 m.1.50×1011 m. The gravitational constant is G=6.67×10−11
N⋅m2/kg2.G=6.67×10−11 N·m2/kg2.
Find the magnitude FF of the net gravitational force acting on
the Moon during the solar eclipse...

Calculate, using Newton's law of gravity, the size of the force
of attraction between the earth and a mass of 2.0 kg on the earth.
Data: Distance to the center of earth from the surface = 6370 km.
Mass of earth = 5.98·1024kg. Gravitational constant G = 6.67·10-11
Nm2/kg2.
Calculate, using Newton's law of gravity, the size of the force
of attraction between the moon and a mass of 2.0 kg on the earth's
surface nearest the moon. Data: Distance...

On the Earth surface,
the gravitatioal acceleration g = 9.8 m/s2 . How many km
above the Earth's surface will the gravitational acceration be 3.7
m/s2 ? The Earth's radius is 6400 km.

a) Your cosmic journey brought you into the vicinity of a
neutron star. In fact, you are orbiting this neutron star at an
orbital distance of 2,184 kilometers. The neutron star has mass of
1.6 solar masses (MSun = 1.99 × 1030
kg).
What is the local acceleration due to gravity that you experience
in your spaceship? Express your answer in m/s2; use
scientific notation and round the coefficient to two decimals.
b) What is the escape velocity from Earth’s...

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See problem 52 in Chapter 13 of the 3rd Edition of Knight for
some background information about neutron stars. Consider a neutron
star with a mass equal to 0.9 times the mass of the Sun, a radius
of 15 km, and a rotation period of 1.3 s. What is the speed of a
point on the equator of this neutron star? What is gg at
the surface of this neutron star? A stationary 1.0 kg mass has a
weight of...

See problem 52 in Chapter 13 of the 3rd Edition of Knight for
some background information about neutron stars. Consider a neutron
star with a mass equal to 0.7 times the mass of the Sun, a radius
of 14.2 km, and a rotation period of 1 s. What is the speed of a
point on the equator of this neutron star?
What is gg at the surface of this neutron star?
A stationary 1.0 kg mass has a weight of...

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