SOLUTION: An aeroplane is travelling from A to B which are 100km/h apart and is flying at the speed of 100km/h with a head wind of 60km/h. What is the ground speed of the aeroplane and how

Question 761020: An aeroplane is travelling from A to B which are 100km/h apart and is flying at the speed of 100km/h with a head wind of 60km/h. What is the ground speed of the aeroplane and how long will it take for the flight to complete?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
An aeroplane is travelling from A to B which are 100km/h apart and is flying at the speed of 100km/h with a head wind of 60km/h. What is the ground speed of the aeroplane and how long will it take for the flight to complete?
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Groundspeed = 100 - 60 = 40 km/hr
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d = r*t
t = d/r = 100/40 hours
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