Completing the square gives the answer right away.


which indicates a maximum height of 87 when
.
Explanation:
A nucleus that absorbs 11.45δ is less shielded than a nucleus that absorbs at 4.13δ.
the nucleus that absorbs at 11.45δ requires weaker applied field strength to come into resonance than the nucleus that absorbs at 4.13δ.
Partial. a penumbral lunar eclipse is when the moon passes through the earths penumbra