Physics, 08.04.2020 04:24, robclark128

A cannon fires a shell straight upward; 2.3 s after it is launched, the shell is moving upward with a speed of 17 m/s. Assuming air resistance is negligible, find the speed (magnitude of velocity) in meters per second of the shell at launch and 5.4 s after the launch.

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A cannon fires a shell straight upward; 2.3 s after it is launched, the shell is moving upward with...