Physics, 11.10.2019 03:40, skateboardb718

Acannon shell is fired straight up from the ground at an initial speed of 225 m/s. after how much time is the shell at a height of 6.20 x 102 m above the ground and moving downward?

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Acannon shell is fired straight up from the ground at an initial speed of 225 m/s. after how much ti...