A rocket of mass 3×106 kg takes off from a launching pad and acquires a vertical velocity of 1km/s at an altitude of 25 km.calculate the potential energy and the kinetic energy (9.8 m/s2)
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Formula of potential energy =mgh ..m=3×106kg g=9.8 m/sqs ..h=25000m..ans is PE= 75910000joules..KE= 159000000 joules
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