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→Calculating Gravitational Potential Energy
Give your answer correct to two [[Significant Figures|significant figures]].
| style="height:20px; width:200px; text-align:center;" |During a rock slide a 320kg boulder falls from a [[height]] of 1450m to a [[height ]] of 730m above sea level. Calculate the change in '''gravitational potential energy'''.
g on Earth is 9.8N/kg