Why are force fields used to describe magnetic force?
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a. magnetic force acts between two objects that are not touching.
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b. magnetic force is a form of gravity.
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c. magnetic force can only attract objects.
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d. magnetic force acts between any two objects with mass.
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Answerthe energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.explanationwe define electric potential as the ratio electric potential energy to the charge,    then the following gives us the potential difference,      the formula  may be on your formula sheet.the change in electric potential energy would be the energy that would needed to move it from point a to point b. solving for that, we get    using q = 8.00  × 10⁻¹⁹ c and  δv = 2.00 v, we get    the energy required is 1.60 × 10⁻¹⁸ j, to three significant figures.

Definitely true

Answera steady decline in driving ability occurred