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nadezda [96]
3 years ago
8

Will mark brainliest. Please identify the nuclear process that uses up a star's core hydrogen and produces the energy released b

y the stars in a globular cluster, thank you.
Physics
1 answer:
erastova [34]3 years ago
8 0

Answer:Nuclear fusion/fusion

Explanation:hydrogen atoms combine to form helium

hope this is correct!! :)

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these are the sierra nevada mountains.ice wedging is one of the ways these mountains where weathered.please help
kramer

Answer:

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Explanation:

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How fast would 0.145 kg baseball have to go to have a kinetic energy of 88.7 J?
Sergeu [11.5K]

Answer:

Correct answer: v = 34.98 m/s

Explanation:

The kinetic energy formula is Ek = m v²/2 => v = √2Ek/m

v = √2 · 88.7 / 0.145 = 34.98 m/s

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3 years ago
One system consists of two like charges (q1 and q2) separated by a distance r. A second system consists of two charges that are
olganol [36]

fyt as per the question the magnitude of two like charges are given as q1 and q2.the separation distance is given as r unit.hence the potential energy is given as-P.E=+\frac{1}{4\pi\epsilon} \frac{q1*q2}{r^2}

here the potential energy is positive which means the force between  two charges is repulsive.the potential energy is maximum which indirectly denotes that the system is unstable.due to this repulsion the smaller charge may accelerate.

coming to the same charges of opposite nature i.e unlike charges-here the magnitude of charges are same and separation distance is also are,so the potential energy will be given as-P.E=-\frac{1}{4\pi\epsilon}\frac{q1*q2}{r^2}

here the potential  energy is negative .so the system of two charges are attracted by each other.

4 0
4 years ago
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Two planets, Dean and Sam, orbit the Sun. They each have with circular orbits, but orbit at different distances from the Sun. De
lyudmila [28]

Answer:

The correct answer is Dean has a period greater than San

Explanation:

Kepler's third law is an application of Newton's second law where the force is the universal force of attraction for circular orbits, where it is obtained.

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When applying this equation to our case, the planet with a greater orbit must have a greater period.

Consequently Dean must have a period greater than San which has the smallest orbit

The correct answer is Dean has a period greater than San

3 0
3 years ago
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