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14 October, 13:16

An aircraft with the mass of 300000kg is flying at an altitude of 2000m with a speed of 100m/s

what is the kinetic energy of the aircraft

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Answers (2)
  1. 14 October, 13:44
    0
    1.5*10^9 joules.

    Explanation:

    Kinetic energy = ½ mv².

    K. E = ½ * 300000 * (100) ².

    K. E = 150000 * 10000.

    K. E = 1500000000 joules.
  2. 14 October, 13:45
    0
    K. E is 1/2 mv^2

    Therefore KE is 300000*10000*1/2

    =1500000000J

    = 1500000KJ

    Potential energy is mgh

    Therefore PE is 300000*9.8*2000

    =5,880,000,000J

    =5880000KJ
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