A man rides forward on a bike +4.96 x 104 m, then travels backwards on a bike for -6.83 x 103 m. What is his total displacement in m?
Round your answer to the nearest whole number. Answer in Standard Notation.

Answer8.0m;

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.

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Answermarble and quartzite