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Aleks [24]
3 years ago
9

In the formation of the solar system, nearly all of the mass of the solar nebula became

Physics
2 answers:
nata0808 [166]3 years ago
7 0
C) the sun
all the mass of the solar nebula became the Sun
maks197457 [2]3 years ago
4 0

Answer:

C. The sun

Explanation:

The solar nebula was a stellar nursery from which sun along with the planets and other bodies were born. The molecular cloud of dust and gases condensed under its own weight and collapsed to form the core. The condensed matter starts spinning and gathering more mass. The temperature and pressure rose until the beginning of the nuclear fusion reaction in the core. The sun was born. Majority of the mass of the solar nebula is the Sun. Rest of the matter accreted into planets and other smaller bodies. The Sun holds 99.8% of the matter of the solar system.

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The interstellar medium is composed of ________.
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THE INTERSTELLAR MEDIUM COMPOSED GAS AND DUST  
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Light waves from the sun can travel trough outer space and reach the earth
konstantin123 [22]

Answer:

this is true

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What is the hardest fruit to open??
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2 years ago
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a bowling ball of mass 7.3 kg and radius 9.6 cm rolls without slipping down a lane at 3.1 m/s . part a calculate its total kinet
erma4kov [3.2K]

49 J   is the total kinetic energy. If a bowling ball of mass 7.3 kg and radius 9.6 cm rolls without slipping down a lane at 3.1 m/s. Kinetic energy is the energy an bowling ball has because of its motion.

Given:    m = 7.3 Kg ;  r = 9.4 cm = 0.094 m   ;   v = 3.1 m

Now total kinetic energy in this case is given by KE = Kinetic energy due to rotation  + Kinetic energy due to translation

i,e     KE = 1/2*m*v2   +   1/2*I*ω2      where   I is the moment of inertia of the bowling ball about it's center and ω is the angular velocity

Now for pure rotation (without slipping)    v = rω  

also for the ball (solid sphere)  I = 2/5*m*r2

Hence our kinetic energy becomes  

 KE = 1/2*m*v2 +  1/5*m*v2 = 7/10*m*v2

so   KE = 0.7*7.3*(3.1)2 = 49.10 J = 49 J

Learn more about kinetic energy here

brainly.com/question/12669551

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5 0
1 year ago
Which of these is a possible disadvantage of using wind as a source of
gizmo_the_mogwai [7]

Answer:

D. Wind turbines take up a lot of space.

Explanation:

In wind turbines the kinetic energy received by the air molecules is converted into electrical energy by the use of turbines

So here in order to get more kinetic energy from air we need more crossectional area of the wind mill to interact with the air

So here we need the large size of turbines

so this is the main disadvantage of the wind turbines because it needs large area to install the whole setup also the efficiency of this turbine is small so it needs large number of wind mills to setup good output power

so correct answer will be

D. Wind turbines take up a lot of space.

3 0
3 years ago
Read 2 more answers
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