The mass of the coaster car shown below is 250 kg. point 1 is 100.0 m above the ground. point 3 is 55 m above the ground. the speed at point 3 is 27.0 m/s. calculate the total mechanical energy of the system.

The answer to this is decibel

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.