A 2.00 kg object is dropped from a height of 20.0m and loses 25.0 J of energy due to air resistance as it falls. What is its speed just before it hits the ground?
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A 2.00 kg object is dropped from a height of 20.0m and loses 25.0 J of energy due to air resistance as it falls. What is its speed just before it hits the ground?
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