Compute all parts of given questionquestion superman is, Ask an Expert

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Compute all parts of given question:

Question: Superman is standing 124 m horizontally away from Lois lane. A villain drops a rock vertically downward with a speed of 2.26 m/s from 19.3 m directly above Lois.

Part A: If Superman is to intervene and catch the rock right before it hits Lois, what should be his minimum constant acceleration?

Part B: How fast will Superman are traveling when he reaches Louis?

Please show me how work it out above question.

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