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A train is moving at 90 km/h and a bird flies at 45 km/h in the opposite directi
A train is moving at 90 km/h and a bird flies at 45 km/h in the opposite direction. What is the speed of the bird relative to the train?
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Practice Questions
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Q1
A train is moving at 90 km/h and a bird flies at 45 km/h in the opposite direction. What is the speed of the bird relative to the train?
135 km/h
45 km/h
90 km/h
135 km/h
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Relative speed = Speed of train + Speed of bird = 90 km/h + 45 km/h = 135 km/h.
Questions & Step-by-step Solutions
1 item
Q
Q: A train is moving at 90 km/h and a bird flies at 45 km/h in the opposite direction. What is the speed of the bird relative to the train?
Solution:
Relative speed = Speed of train + Speed of bird = 90 km/h + 45 km/h = 135 km/h.
Steps: 5
Show Steps
Step 1: Identify the speed of the train, which is 90 km/h.
Step 2: Identify the speed of the bird, which is 45 km/h.
Step 3: Since the bird is flying in the opposite direction to the train, we need to add the speeds together.
Step 4: Calculate the relative speed by adding the speed of the train and the speed of the bird: 90 km/h + 45 km/h.
Step 5: The result of the addition is 135 km/h, which is the speed of the bird relative to the train.
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