1. An Object Has A Mass Of 10kg. it was lifted to the second level of a building if it gains 500 j of potential energy how high is the second level of the building

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2. A woman climbs a stair that is 270m high and gains 3548 of potential energy what is the mass of the woman

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3. An object has a mass of 30kg is placed on a hill top 80m high what is the potential energy possessed by the object

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4. A flag has a mass of 900g was pulled up as shown in the diagram calculate the potential energy gains

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