Physics
Physics, 21.10.2020 16:01, meganwintergirl

A cannon fires a shell straight upward; 1.6 s after it is launched, the shell is moving upward with a speed of 19 m/s. Assuming air resistance is negligible, find the speed (magnitude of velocity) of the shell at launch and 5.5 s after the launch.

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A cannon fires a shell straight upward; 1.6 s after it is launched, the shell is moving upward with...

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