What is the force, in terms of Coulomb's constant, between two electrical charges of #-4 C# and #19 C# that are #12 m # apart?
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Force = (Coulomb's constant) × (charge 1) × (charge 2) / (distance)² Force = (8.9875 × 10^9 N m²/C²) × (-4 C) × (19 C) / (12 m)²
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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.
- An electric toy car with a mass of #5 kg# is powered by a motor with a voltage of #6 V# and a current supply of #5 A#. How long will it take for the toy car to accelerate from rest to #8 m/s#?
- If a current of #4 A# passing through a circuit generates #16 W# of power, what is the resistance of the circuit?
- Two charges of # -2 C # and # 6 C# are positioned on a line at points # 3 # and # 4 #, respectively. What is the net force on a charge of # -5 C# at # 0 #?
- How does current relate to electric field?
- How much power is produced if a voltage of #4 V# is applied to a circuit with a resistance of #4 Omega#?

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