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Posted: **Sun May 22, 2022 12:41 pm**

: A Rock Was Thrown Vertically Upward With Certain Velocity At 1 9 M Above The Ground Its Velocity Was Found To Be 2 1 M 1 (12.18 KiB) Viewed 13 times

A rock was thrown vertically upward with certain velocity. At 1.9 m above the ground, its velocity was found to be 2.1 m/s. Using energy conservation, find the velocity by which it was thrown upwards. Answer: m/s