A satellite gets unstable in its orbit and starts to fall towards earth and also starts burning. If the satellite had a potential energy of 1000 J initially and by the time it reaches the surface of the earth it attains a kinetic energy of 500 J, then how much energy is spent in heating the satellite?

1000J

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5000J

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500J

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None of These

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Solution

The correct option is C
500J

Applying the law of conservation of energy:

Potential energy is converted to kinetic energy and heat energy.

So,

1000 J = 500 J + heat energy

Therefore, heat energy = 500 J.

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The correct option is C 500J Applying the law of conservation of energy: Potential energy is converted to kinetic energy and heat energy. So, 1000 J = 500 J + heat energy Therefore, heat energy = 500 J.

The correct option is C
500J

Applying the law of conservation of energy:

Potential energy is converted to kinetic energy and heat energy.

So,

1000 J = 500 J + heat energy

Therefore, heat energy = 500 J.