Find the balls original speed

Reference no: EM13695480

Problem: A ball is thrown vertically upward on the moon and returns to its starting point in 4 sec. Acceleration on the moon is 1.6m/s² downward.

Part A: Find the balls original speed?

I am not able to get the correct answer please help me to find the ball original speed. Thanks.

Reference no: EM13695480

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