At one instance, a 68-N falling object has an acceleration of 5.6 m/s² . How much air resistance did it encounter?
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Answer:
29.92 N
Explanation:
mg = 68 N
m = 6.8 kg
air resistance = mg - ma
=> m(g - a)
=> 6.8(10 - 5.6)
=> 29.92 N
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