Which of the following statements describe the transfer of energy?

-collisions of atoms causing nuclear reactions
-a car speeding up from 5 mi/hr to 40 mi/hr
-a weightlifter lifting 100 lb. bell bar from his chest to a certain height
-a transformer stepping down the voltage of electricity in power lines

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.