The bob \( A \) of a pendulum released from a height \( h \) hits head-on another bob \( B \) of...

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The bob \( A \) of a pendulum released from a height \( h \) hits head-on another bob \( B \) of the same mass of an identical pendulum initially at rest. What is the result of this collision? Assume the collision to be elastic (see figure-4.96):
Figure \( 4.96 \)
(A) Bob \( A \) comes to rest at \( B \) and bob \( B \) moves to the left attaining a maximum height \( h \)
(B) Bobs \( A \) and \( B \) both move to the left, each attaining a maximum height \( \frac{h}{2} \)
(C) Bob \( B \) moves to the left and bob \( A \) moves to the right, each attaining a maximum height \( \frac{h}{2} \)
(D) Both bobs come to rest
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