Someone help me please

Physics

2 answers:

riadik2000 [5.3K]3 years ago

6 0

the answer is 25 newtons

aleksley [76]3 years ago

5 0

Each time the distance doubles the gravity quarters, then at two earth radii it will weigh 25 Newton’s

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Why must objects be cooled before their mass is determined on a sensitive balance?

zubka84 [21]

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3 years ago

Certain neutron stars (extremely dense stars) are believed to be rotating at about 10 rev/s. If such a star has a radius of 18 k

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Answer:

mass of the neutron star =3.45185×10^26 Kg

Explanation:

When the neutron star rotates rapidly, a material on its surface to remain in place, the magnitude of the gravitational acceleration on the central material must be equal to magnitude of the centripetal acc. of the rotating star.

That is

$\frac{GM_{ns}}{R^2}= \omega^2 R$

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ω = 10 rev/sec = 20π rads/sec

therefore,

$M_{ns}= \frac{\omega^2R^3}{G} = \frac{4\pi^2\times(18\times10^3)^3}{6.67\times10^{-11}}$

= 3.45185... E26 Kg

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3 years ago

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Llana [10]

I think I can answer your question since I've worked on this before. Your answer should be obtain energy. If your answer choices were; obtain energy escape predators produce offspring excrete waste

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3 years ago

A gas is compressed at constant temperature from a volume of 5.68 L to a volume of 2.35 L by an external pressure of 732 torr. C

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Explanation:

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