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Question

A satellite gets unstable in its orbit and starts to fall towards a planet and heating up. If the satellite had a potential energy of 5000 joules initially and by the time it reaches the surface of the planet it attains a kinetic energy of 2500 joules the how much energy is converted to heat?


A

1000J

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B

5000J

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C

500J

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D

None of These

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Solution

The correct option is C

500J


Potential energy is converted to kinetic and heat.

so 5000 = 2500 + heat energy

heat energy = 2500 J


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