In an elastic collision, the total momentum before the collision is equal to the total momentum after the collision. This means that:
\[ P_{1i} + P_{2i} = P_{1f} + P_{2f} \]
Where:
- \( P_{1i} \) and \( P_{2i} \) are the initial momenta of the two objects,
- \( P_{1f} \) and \( P_{2f} \) are the final momenta of the two objects.
From your message, it appears that you provided the values of \( P_{1i} \) and need to find \( P_{2i} \). However, you did not specify the final momenta \( P_{1f} \) and \( P_{2f} \).
If the values you provided (0.2, -0.1, 0.13, 0.035) are the initial and final momenta of the objects, you need to clarify which values correspond to \( P_{1i} \), \( P_{2i} \), \( P_{1f} \), and \( P_{2f} \).
To help you find \( P_{2i} \), I would need additional information regarding either the specific values of initial or final momenta or the context of these values in the table you are referencing. Could you please provide more detail?
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