For a infinite, neutral wire in z direction, with steady current i. a charge, q, is placed a distance s below the wire with velocity v parallel to the wire.
a. calculate the lorentz-covariant force law.
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b. transform to new frame where particle is at rest. and compute the force on the particle in the boosted frame.

The particles of the gas inside the ball heats up, bouncing off each other and spreading farther apart.hope my answer has you : )

45 is the correct answer

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.