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

What is its launch velocity?

User Manix
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1 Answer

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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.
User RVandersteen
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