John Throws a Rock Down with Speed 11 M/s from the Top

question 58

Multiple Choice

John throws a rock down with speed 11 m/s from the top of a 25-m tower.If g = 9.8 m/s² and air resistance is negligible,what is the rock's speed just as it hits the ground?

• A)19 m/s
• B)25 m/s
• C)610 m/s
• D)22 m/s
• E)​12 m/s

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