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marissa [1.9K]
3 years ago
10

You are interested in space travel and want to learn more facts about space travel. Which would be the best source of informatio

n? (2 points)
Physics
2 answers:
Tpy6a [65]3 years ago
5 0
A book or a professor
Citrus2011 [14]3 years ago
5 0

The correct answer would be NASA as it will be proven

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The world's demand for fuel is ever increasing. Identify the fuel type predicted to run out within the next hundred years.
Step2247 [10]
Answer = A) fossil fuels

B and C are renewable types of energy
D is a type of fossil fuel, just like oil
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3 years ago
Think about this hypothetical (not real) situation: Astronaut Dustin and Astronaut Barb are floating in space. The force of grav
Maslowich

The distance between Dustin and the planet is larger than the distance between Barb and the planet

Explanation:

The magnitude of the gravitational force between each astronaut and the planet is given by

F=G\frac{Mm}{r^2}

where :

G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2} is the gravitational constant

M is the mass of the planet

m is the mass of the astronaut

r is the separation between the astronaut and the planet

In this problem, we have:

  • The force of gravity between Dustin and the planet is 120,265 N
  • The force of gravity between Barb and the planet is 354,999 N

We see that the force exerted by the Planet on Barb is much greater than the force exerted by the planet on Dustin. Assuming that the mass of Dustin and Barb is similar, then we can say that the magnitude of the force of gravity depends mainly on the distance:

F=\frac{1}{r^2}

And since the force is inversely proportional to the square of the distance, this means that the distance between Dustin and the planet is larger than the distance between Barb and the planet.

Learn more about gravitational force:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

6 0
3 years ago
What does the word "atom"
Oliga [24]

Answer:

in greek atom means uncuttable

7 0
2 years ago
Read 2 more answers
If a car is moving at a constant velocity of 10 m/s, what is its acceleration?
marin [14]

Answer:

If a car is moving at a <em><u>constant velocity of 10 m/s,</u></em> there will be no change in the velocity per time.

Acceleration is the rate of change of velocity

Acceleration=(Final velocity-Initial velocity)/Time

Acceleration=(10m/s-10m/s)/Time= <em><u>0 m/s²</u></em>

<h3>★ <u>0 m/s²</u> is the right answer. </h3>
4 0
2 years ago
3. An object of mass 90 kg travels down a slide.
Zolol [24]
Gpe= 90* 9.81 * 15 = 13243.5 Joules

KE= 13243.5 =1/2 m v^2
v^2= 295.3
v= 17.2 m/s
6 0
3 years ago
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