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3 years ago

How strong is a neutron star's gravity.

Physics

2 answers:

VLD [36.1K]3 years ago

5 0

Answer:

The gravitational field at a neutron star's surface is about 2×1011 times stronger than on Earth, at around 2.0×1012 m/s2. Such a strong gravitational field acts as a gravitational lens and bends the radiation emitted by the neutron star such that parts of the normally invisible rear surface become visible.

Explanation:

hope it helps you

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hjlf3 years ago

3 0

Answer:

About a thousand billion times! Because neutron stars are so dense, they have intense gravitational and magnetic fields. The gravity of a neutron star is about a thousand billion times stronger than that of the Earth. Thus the surface of a neutron star is exceedingly smooth; gravity does not permit anything tall to exist.

It's crazy strong.

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On a part time job you are asked to bring a cylindrical iron rod of density 7800 kg/m^3, length 81.2 cm and diameter 2.75 cm fro

Olin [163]

Answer:

3.76188 kg

36.9040428 N

Yes

Explanation:

g = Acceleration due to gravity = 9.81 m/s²

L = Length of rod = 81.2 cm

d = Diameter of rod = 2.75 cm

r = Radius = $\frac{d}{2}=\frac{2.75}{2}=1.375\ cm$

A = Area of the cylinder = $\pi r^2$

v = Volume = $L\times A$

m = Mass

Density

$\rho=\frac{m}{v}\\\Rightarrow m=\rho\times v\\\Rightarrow m=\rho\times L\times A\\\Rightarrow m=7800\times 0.812\times \pi\times 0.01375^2\\\Rightarrow m=3.76188\ kg$

The mass of the rod is 3.76188 kg.

As the the mass of the rod is 3.76188 kg I will be able to carry the rod.

Weight

$W=mg\\\Rightarrow W=3.76188\times 9.81\\\Rightarrow W=36.9040428\ N$

The weight of the rod is 36.9040428 N

8 0

3 years ago

Calculate the work done when a 100-W lightbulb is lit for 30 seconds.

Mila [183]

Answer:

3000 J

Explanation:

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3 years ago

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3 years ago

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3 years ago

If a lever is 10m long and the effort is applied 4m from the fulcrum, what is the MA of the lever?

Marizza181 [45]

We Know: MA = d₁ / d₂
Here, d₁ = 4
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Substitute their values into the expression:
MA = 4/6
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So, Your Answer would be 2/3

Hope this helps!

3 0

3 years ago