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14 September, 19:31

Calculate the speed of an 8.0 * 104 kg airliner with a kinetic energy of 1.1 * 109 J.

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  1. 14 September, 21:01
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    KE = ½mv²

    1.1 x 10^9 = ½ x 8 x 10^4 v²

    v² = 2.75 x 10^4

    v ≈ 165.8 m/s
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