Which object is accelerating downward at the slowest rate? a. a baseball just after it is struck for a home run
b. a birds feather falling from a tree branch to the ground
c. a rock dropped from the roof of a tall building
d. a model rocket falling to the ground after it had reached its maximum height

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.

It maybe because uranus is made of gas but uranus has a solid core in the middle