A man in a train travelling 20 km/h directly east observes a bird flying outside the train. If the man observes the bird to be flying, relative to the train, with a velocity 10 km/h directly towards the north, what is the bird's velocity relative to the ground? 22 km/h, 27° north of east 18 km/h, 29° north of east 22 km/h, 63° north of east 18 km/h, 61° north of east 10 km/h, directly north

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Question 1
A man in a train travelling 20 km/h directly east observes a bird flying outside the
train. If the man observes the bird to be flying, relative to the train, with a velocity 10
km/h directly towards the north, what is the bird's velocity relative to the ground?
22 km/h, 27° north of east
18 km/h, 29° north of east
22 km/h, 63° north of east
18 km/h, 61° north of east
10 km/h, directly north
Transcribed Image Text:Question 1 A man in a train travelling 20 km/h directly east observes a bird flying outside the train. If the man observes the bird to be flying, relative to the train, with a velocity 10 km/h directly towards the north, what is the bird's velocity relative to the ground? 22 km/h, 27° north of east 18 km/h, 29° north of east 22 km/h, 63° north of east 18 km/h, 61° north of east 10 km/h, directly north
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