Large stars can explode as they finish burning their nuclear fuel, causing a supernova. The explosion blows away the outer layers of the star. According to Newton's third law, the forces that push the outer layers away have reaction forces that are inwardly directed on the core of the star. These forces compress the core and can cause the core to undergo a gravitational collapse. The gravitational forces keep pulling all the matter together tighter and tighter, crushing atoms out of existence. Under these extreme conditions, a proton and an electron can be squeezed together to form a neutron. If the collapse is halted when the neutrons all come into contact with each other, the result is an object called a neutron star, an entire star consisting of solid nuclear matter. Many neutron stars rotate about their axis with a period of 1s and, as they do so, send out a pulse of electromagnetic waves once a second. These stars were discovered in the 1960s and are called pulsars. Part A Consider a neutron star with a mass equal to the sun, a radius of 11 km, and a rotation period of 1.0 s. What is the speed of a point on the equator of the star? Express your answer with the appropriate units. ►View Available Hint(s) Urot = Submit μA Value Previous Answers Units Review ?
Large stars can explode as they finish burning their nuclear fuel, causing a supernova. The explosion blows away the outer layers of the star. According to Newton's third law, the forces that push the outer layers away have reaction forces that are inwardly directed on the core of the star. These forces compress the core and can cause the core to undergo a gravitational collapse. The gravitational forces keep pulling all the matter together tighter and tighter, crushing atoms out of existence. Under these extreme conditions, a proton and an electron can be squeezed together to form a neutron. If the collapse is halted when the neutrons all come into contact with each other, the result is an object called a neutron star, an entire star consisting of solid nuclear matter. Many neutron stars rotate about their axis with a period of 1s and, as they do so, send out a pulse of electromagnetic waves once a second. These stars were discovered in the 1960s and are called pulsars. Part A Consider a neutron star with a mass equal to the sun, a radius of 11 km, and a rotation period of 1.0 s. What is the speed of a point on the equator of the star? Express your answer with the appropriate units. ►View Available Hint(s) Urot = Submit μA Value Previous Answers Units Review ?
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Transcribed Image Text:Large stars can explode as they finish burning their nuclear fuel,
causing a supernova. The explosion blows away the outer layers
of the star. According to Newton's third law, the forces that push
the outer layers away have reaction forces that are inwardly
directed on the core of the star. These forces compress the core
and can cause the core to undergo a gravitational collapse. The
gravitational forces keep pulling all the matter together tighter
and tighter, crushing atoms out of existence. Under these
extreme conditions, a proton and an electron can be squeezed
together to form a neutron. If the collapse is halted when the
neutrons all come into contact with each other, the result is an
object called a neutron star, an entire star consisting of solid
nuclear matter. Many neutron stars rotate about their axis with a
period of 1s and, as they do so, send out a pulse of
electromagnetic waves once a second. These stars were
discovered in the 1960s and are called pulsars.
Part A
Consider a neutron star with a mass equal to the sun, a radius of 11 km, and a rotation period of 1.0 s. What is the speed of a point on the equator of the
star?
Express your answer with the appropriate units.
► View Available Hint(s)
Vrot =
Submit
μÅ
Value
Previous Answers
X Incorrect; Try Again
Units
Review
?
Transcribed Image Text:Large stars can explode as they finish burning their nuclear fuel, causing a supernova. The explosion blows
away the outer layers of the star. According to Newton's third law, the forces that push the outer layers away
have reaction forces that are inwardly directed on the core of the star. These forces compress the core and
can cause the core to undergo a gravitational collapse. The gravitational forces keep pulling all the matter
together tighter and tighter, crushing atoms out of existence. Under these extreme conditions, a proton and
an electron can be squeezed together to form a neutron. If the collapse is halted when the neutrons all come
into contact with each other, the result is an object called a neutron star, an entire star consisting of solid
nuclear matter. Many neutron stars rotate about their axis with a period of
a pulse of electromagnetic waves once a second. These stars were discovered
pulsars.
1s and, as they do so, send out
in the 1960s and are called
▼
g=
Submit
Part C
F =
A stationary 1.0 kg mass has a weight on earth of 9.8 N. What would be its weight on the star?
Express your answer with the appropriate units.
► View Available Hint(s)
Value
Submit
Part D
W =
Submit
Part E
ol
ΜΑ
Value
Submit
How many revolutions per minute are made by a satellite orbiting 1.0 km above the surface?
Express your answer in revolutions per minute.
► View Available Hint(s)
V
ΑΣΦ
Units
μА
R = Value
Units
2
?
What is the radius of a geosynchronous orbit about the neutron star?
Express your answer with the appropriate units.
► View Available Hint(s)
Units
?
?
rpm
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