Question

stion 1 of 22> A honey bee of mass 125 mg has accumulated a static charge of +1.9 pC. The bee is returning to her hive by following the path shown in the figure. Because Earth has a naturally occurring electric field near ground level of around 100 V/m pointing vertically downward, the bee experiences an electric force as she flies. What is the change in the bee's electric potential energy, ΔUelectric, as she flies from point A (0 m, 0.4 m) to point B (5.0 m, 3.9 m)? Compute the ratio of the bee's change in electric potential energy to her change in gravitational potential energy, Δυ electric/AU grav.

Answer 1

Both electric and gravitational forces are conservative forces, so the work done by the field is path independent and depends only on the initial and final points.

The electric potential energy change is given by:

And the change in gravitational potential energy is given by:

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