What is one example of a scientific model?
2 answers:
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Answer:
Velocity of the passenger = 78.8[km/h]
Explanation:
In order to solve this problem, we must observe the train from a distant point of the train. In this way we can observe that the train moves at 80[km/h] relative to the ground.
In such a way that the passenger moves in a direction contrary to the movement of the train.
The Observer located outside the train will see how the passenger moves away at 78.8 [km / h] and not at 80[km/h] which is the speed of the train.
Answer:
Explanation:
Potential across the electrochemical cell, V = 2 V
Current, I = 1 A
Time, t = 1000 s
Let n electrons move from the anode to the cathode. We know that electric current is calculated as :
Also, q = ne
So, electrons move from the anode to the cathode in 1000 seconds.