A belicopter with mass m 3250 kg is cruising at a speed of 56.9 m/s at an altitude of 185 m. What is the total mechanical energy of the helicopter? Hint: what types of energy contribute to the total mechanical energy? 5.3 x 10 J O 11x 107J 6.9 x 10 J 2.3 x 10 J

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