A 'body is launched with a velocity less than escape velocity. The total mechanical energy is
A
positive
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B
negative
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C
zero
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D
maybe+veor−ve
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Solution
The correct option is Bnegative A body is launched with escape velocity, it has no velocity after reaching infinite, hence no kinetic energy, so zero total energy. Thus, if a body launched with a velocity less than escape velocity, the total mechanical energy is negative.