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06-03-2024
Physics

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A 4200 kg helicopter accelerates upward at 3.53 m/s². The acceleration of gravity is 9.8 m/s². What lift force is exerted by the air on the propellers? Answer in units of N.
a) 21812.4 N
b) 14450.0 N
c) 16506.0 N
d) 30000.0 N

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