A backpacker walks for 3 days in the mountains and covers 16 km. How fast was he walking in km/hr?
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To solve this problem we will apply the concepts related to Ohm's law and Electric Power. By Ohm's law we know that resistance is equivalent to,
Here,
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I = Current
While the power is equivalent to the product between the current and the voltage, thus solving for the current we have,
Applying Ohm's law
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