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11-10-2020
Physics

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A projectile is launched straight up. From launch to landing back down takes 8s.
What is its launch velocity?

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pfellas pfellas

11-10-2020

39.2 m/s is the launch velocity.
This will make the velocity zero after 4 seconds, and then 32.9m/s after 8 seconds as it lands back down.

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