A light-year is the measure of how far light can travel in one year. How long has the light from a star 125,000 light-years away been traveling to reach Earth? Select one:

a. 12.5 years

b. 125 years

c. 125,000 years

d. 125,000,000 years

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.