The magnitude of gravitational potential energy of satellite & earth is -12 kJ if zero potential energy is taken at infinite separation. The K.E of satellite is

6 kJ

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12 kJ

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24 kJ

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None

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Solution

The correct option is A 6 kJ
$K . E . = - \frac{1}{2} (P E) = 6$ kJ

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Q. Choose the correct alternative:
(a) If the zero of potential energy is at infinity, the total energy of an orbiting satellite is negative of its kinetic / potential energy.
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The magnitude of gravitational potential energy of satellite & earth is -12 kJ if zero potential energy is taken at infinite separation. The K.E of satellite is

The correct option is A 6 kJK.E.=−12(PE)=6 kJ

The correct option is A 6 kJ
$K . E . = - \frac{1}{2} (P E) = 6$ kJ