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weqwewe [10]
2 years ago
9

What is the distance of a person walking 20 m North, and then walks 20 meters South?

Physics
1 answer:
Lesechka [4]2 years ago
8 0

Answer:

40m

Explanation:

distance = length traveled = 20+20 = 40

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Match these items.
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How much voltage (in terms of the power source voltage bV) will the capacitor have when it has started at zero volts potential d
Archy [21]

Answer:

The voltage is   V =   0.993V_b

Explanation:

From the question we are told that

   The time that has passed is  t = \frac{\tau}{2}

 Here \tau is know as the time constant

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Generally the voltage equation for charging a capacitor is mathematically represented as

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=>   V =  V_b  [1 - e^{- \frac{\tau}{2\tau} }]

=>   V =  V_b  [1 - e^{- \frac{1}{2} }]

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