Question
A satellite gets unstable in its orbit and starts to fall towards Earth and also starts heating. If the satellite had a potential energy of 1000 J initially and by the time it reaches Earth's surface, it attains a kinetic energy of 500 J. Then, how much energy is spent in the form of heat?
Answer: Option C
:
C
Given, initialpotential energy = 1000 J
Final kinetic energy = 500 J
Here, potential energy is converted to kinetic energy and heat.
So,potential energy = Kinetic energy + Heat
→ 1000 = 500 + Heat
∴ Heat= 500 J
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:
C
Given, initialpotential energy = 1000 J
Final kinetic energy = 500 J
Here, potential energy is converted to kinetic energy and heat.
So,potential energy = Kinetic energy + Heat
→ 1000 = 500 + Heat
∴ Heat= 500 J
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