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7.Gravitation
easy
The curves for potential energy $(U)$ and kinetic energy $({E_k})$ of a two particle system are shown in figure. At what points the system will be bound?
A
Only at point $D$
B
Only at point $A$
C
At point $D$ and $A$
D
At points $ A, B$ and $C$
Solution
(d) The system will be bound at points where total energy is negative. In the given curve at point $A, B$ and $C$ the $P.E.$ is more than $K.E.$
Standard 11
Physics
