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Posted: **Wed Jul 06, 2022 11:37 am**

: You Throw A 20 N Rock Into The Air From Ground Level And Observe That When It Is 15 0 M High It Is Traveling Upward At 1 (32.38 KiB) Viewed 11 times

You throw a 20 N rock into the air from ground level and observe that, when it is 15.0 m high, it is traveling upward at 25.0 m/s. Use the work-energy principle to find (a)the rock's speed just as it left the ground and (b)the maximum height the rock will reach.