b. Two parallel rail tracks run north-south. Train A moves north with a
speed of 54 km/hr and train B moves south with speed of 90 km/hr.
What is the velocity of ground with respect to B?
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Answer:
a velocity of a monkey running on the roof of the train A against its motion (with its velocity of 18 kmh−1 with respect to the train A) as observed by a man standing on the. Hence, velocity of train B w.r.t train A is 144 km/h toward south. Hence, velocity of ground w.r.t train B is 90 km/h towards north.
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Answer:
40m/s
Explanation:
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