3 years ago

Dave is walking from the back of a train to the front of the train at a rate of 6

1 answer:

monitta3 years ago

6 0

48 km/hr. Because the trains speed remains constant and is unaffected to Dave’s speed and Dave’s speed will remain relative to the trains speed. Taken that, when Dave is moving 0 km/hr he is moving at 42km/hr. So his speed must only add to that.

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