I think that answer is D) Which heavenly body is casting the eclipse.
A solar eclipse is the obstruction of the sun by the moon while an lunar eclipse is the blocking of the moon by the earths shadow.
Below are the answers:
(a) Ep = mass x gravitational acceleration x height
<span>= 2kg x 9.8ms-2 x 3m </span>
<span>= 58.8J </span>
<span>(b) F = mg </span>
<span>= 2kg x 9.8ms-2 </span>
<span>= 19.6N </span>
<span>W = Fd </span>
<span>= 19.6N x 3m </span>
<span>= 58.8J
</span>
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<span>There are 5 different values of ml in the 5d sublevel (-2, -1, 0, 1, and 2).</span>
