A charge of #2 C# is at #(-4, -1 )# and a charge of #-1 C# is at #( 2,-5 )#. If both coordinates are in meters, what is the force between the charges?
To do this, we can use the equation
where
This distance is found via the distance formula:
Plugging in known values, we have
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The force between the charges is approximately (8.16 \times 10^9) N.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- A charge of #9 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #21 J# to #12 J#, what is the voltage between points A and B?
- An electric toy car with a mass of #2 kg# is powered by a motor with a voltage of #3 V# and a current supply of #8 A#. How long will it take for the toy car to accelerate from rest to #3/2 m/s#?
- When the voltage across a capacitor is tripled, what happens to the stored?
- How does resistance relate to capacitance?
- How much power is produced if a voltage of #6 V# is applied to a circuit with a resistance of #12 Omega#?

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