3. What is the speed at the ground of a stone falling free from a 20-story...

Question

Question

science physics

Answer 1

Answer #1

v²_u² - has u:0 S: 67,98 . 1 - 2x9.8 x (-67) V: - 36:23 mis Live sign indicates downward direction. At half height is = 67/2

Answer 2

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