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Potential energy and kinetic energy of a...

Potential energy and kinetic energy of a two particle system under Imaginary force field are shown by curves KE and PE. Respectively in figure. This system is bound at :

A

a) only point A

B

b) only point D

C

c) only point A, B, and C

D

d) All point A, B, C, and D

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The correct Answer is:
C
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