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A plane is in level flight at constant speed and each of its two wings has an area of `20m^(2).` If the speed of rthe air is 180 km/h over the lower wing and 216 km/h over the upper wing surface, determine the plane's mass. (Take air density to be `1 kg m ^(-3) and g= 10m//s ^(2)).`

A

2200 kg

B

1100 kg

C

1785 kg

D

2750 kg

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The correct Answer is:
A
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