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uysha [10]
3 years ago
15

The sun's core _____. A) is made of solid helium B) makes up most of the sun's size C) creates energy by fusing hydrogen into he

lium D) absorbs energy from the convection zone
Physics
2 answers:
Vikki [24]3 years ago
8 0

Answer:

the answer is C creates energy by fusing hydrogen into helium

Explanation:

i took the test

VashaNatasha [74]3 years ago
6 0
I think the correct answer is C
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In collision that are categorized as elastic, the total kinetic energy of the system is preserved such that,

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The kinetic energy of the system before the collision is solved below.

  KE1 = (0.5)(25)(20)² + (0.5)(10g)(15)²
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This value should also be equal to KE2, which can be calculated using the conditions after the collision.

KE2 = 6125 g cm²/s² = (0.5)(10)(22.1)² + (0.5)(25)(x²)

The value of x from the equation is 17.16 cm/s.

Hence, the answer is 17.16 cm/s. 
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