The work done by a body while covering a vertical height of 5m is 50 kJ. By how much amount has the energy of the body changed? a) 50 kJ b) -50 kJ c) 25 kJ d) 10 kJ

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Q: How much energy does a 7kg box have if it is at a height of 5m? O 233 J O 123 J O 343 J O 453 J

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