A satellite revolves around the Earth in a circular orbit with a mechanical energy of $- 10 ^ { 12 }$ J.What is its kinetic energy?
A) $- 5 \times 10 ^ { 11 } J$
B) $+ 5 \times 10 ^ { 11 } J$
C) $+ 10 \times 10 ^ { 11 } \mathrm {~J}$
D) $- 20 \times 10 ^ { 11 } \mathrm {~J}$
E) $+ 7.1 \times 10 ^ { 11 } \mathrm {~J}$

Question

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The Answer of A satellite revolves around the Earth in a circular orbit with a mechanical energy of $- 10 ^ { 12 }$ J.What is its kinetic energy?
A) $- 5 \times 10 ^ { 11 } J$
B) $+ 5 \times 10 ^ { 11 } J$
C) $+ 10 \times 10 ^ { 11 } \mathrm {~J}$
D) $- 20 \times 10 ^ { 11 } \mathrm {~J}$
E) $+ 7.1 \times 10 ^ { 11 } \mathrm {~J}$

A Satellite Revolves Around the Earth in a Circular Orbit −1012- 10 ^ { 12 }−1012

A Satellite Revolves Around the Earth in a Circular Orbit $- 10 ^ { 12 }$