Determine the balls original speed

Reference no: EM13695486

Question: A ball is thrown vertically upward on the moon and returns to its starting point after 4 sec. The acceleration on the moon is 1.6 m/s².

Question 1: Find the balls original speed

Please explain your answer. I know substitution is involved so be sure to give a detailed explanation to determine the balls original speed.

Reference no: EM13695486

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