Physics, 09.09.2021 05:20 pet33

9. After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.0 m above your hands. What was the initial speed of the helmet
when it left your hands? How long was it moving from the time it left your hands until it
returned? I

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9. After landing from your skydiving experience, you are so excited that you throw your helmet upw...