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Alona [7]
3 years ago
6

What can Magnetic force, electric force, and electrostatic force can all be described as.

Physics
1 answer:
Sever21 [200]3 years ago
5 0

Answer:

They can be described as non contact forces

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Help me plz plzplzpzl
mash [69]

Answer:

0.8 m/s

Explanation:

i multiplied .8 times 15 which equals 12.

4 0
4 years ago
A team of astronauts is on a mission to land on and explore a large asteroid. In addition to collecting samples and performing e
Blizzard [7]
<h2>Answer: 117.626m/s</h2>

Explanation:

The escape velocity V_{esc} is given by the following equation:

V_{esc}=\sqrt{\frac{2GM}{R}}   (1)

Where:

G is the Gravitational Constant and its value is 6.674(10)^{-11}\frac{m^{3}}{kgs^{2}}

M  is the mass of the asteroid

R  is the radius of the asteroid

On the other hand, we know the density of the asteroid is \rho=3.84(10)^{8}g/m^{3} and its volume is V=2.17(10)^{12}m^{3}.

The density of a body is given by:

\rho=\frac{M}{V}  (2)

Finding M:

M=\rhoV=(3.84(10)^{8} g/m^{3})(2.17(10)^{12}m^{3})  (3)

M=8.33(10)^{20}g=8.33(10)^{17}kg  (4)  This is the mass of the spherical asteroid

In addition, we know the volume of a sphere is given by the following formula:

V=\frac{4}{3}\piR^{3}   (5)

Finding R:

R=\sqrt[3]{\frac{3V}{4\pi}}   (6)

R=\sqrt[3]{\frac{3(2.17(10)^{12}m^{3})}{4\pi}}   (7)

R=8031.38m   (8)  This is the radius of the asteroid

Now we have all the necessary elements to calculate the escape velocity from (1):

V_{esc}=\sqrt{\frac{2(6.674(10)^{-11}\frac{m^{3}}{kgs^{2}})(8.33(10)^{17}kg)}{8031.38m}}   (9)

Finally:

V_{esc}=117.626m/s This is the minimum initial speed the rocks need to be thrown in order for them never return back to the asteroid.

6 0
3 years ago
NEED HELP ASAP
Nastasia [14]

Answer:i think the answer is c but monomers are found in anything that has dna in it and almost everything does.

Explanation:

7 0
3 years ago
the strength of a blank is epual to the force on a positivectest charge divided by strength of a rest charge
goldfiish [28.3K]
A positively-<span>charged test charge is the answer</span>
5 0
3 years ago
What class of asteroids is a threat to earth and other terrestrial planets?
Vladimir [108]
Answer would be Earthgrazers
6 0
3 years ago
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