3 years ago

Which of the following scientists successfully combined human understanding of forces

Physics

1 answer:

Studentka2010 [4]3 years ago

4 0

His name his James Maxwell

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Answer:

463.4 m/s

Explanation:

The escape velocity on the surface of a planet/asteroid is given by

$v=\sqrt{\frac{2GM}{R}}$ (1)

where

G is the gravitational constant

M is the mass of the planet/asteroid

R is the radius of the planet/asteroid

For the asteroid in this problem, we know

$\rho=4.49\cdot 10^6 g/m^3$ is the density

$V=3.32\cdot 10^{12} m^3$ is the volume

So we can find its mass:

$M=\frac{\rho}{V}=(4.49\cdot 10^6 g/m^3)(3.32\cdot 10^{12}m^3)=1.49\cdot 10^{19} kg$

Also, the asteroid is approximately spherical, so its volume is given by

$V=\frac{4}{3}\pi R^3$

where R is the radius. Solving the formula for R, we find its radius:

$R=\sqrt[3]{\frac{3V}{4\pi}}=\sqrt[3]{\frac{3(3.32\cdot 10^{12}m^3)}{4\pi}}=9256 m$

So now we can use eq.(1) to find the escape velocity:

$v=\sqrt{\frac{2(6.67\cdot 10^{-11})(1.49\cdot 10^{19}kg)}{9256 m}}=463.4 m/s$

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The equator would be warmer than the poles. :)

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Put the steps of the scientific method in order from first to last?

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1.make an observation
2.form a question
3.form a hypothesis
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In an electron dot diagram, each dot represents a(an ____________________.

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Each dot represents a valence electron. Valence electrons are the electron on the outer electron shell of an atom.<span>
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