3.4.3 Quiz: Buoyancy
1 answer:
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Answer:
a) 66.4 relative to the west in the south-west direction
b) 5.455 hours
Explanation:
a)If the wind is blowing east-ward at a speed of 40km/h, then the west component of the geese velocity must be 40km/h in order to counter balance it. Geese should be flying south-west at an angle of
relative to the West
b) The south-component of the geese velocity is
The time it would take for the geese to cover 500km at this rate is
t = 500 / 91.65 = 5.455 hours