even under the most ideal conditions, only about 8% of the internal energy of the steam produced in a steam engine can be converted into actual work. what happens to the other 92% of the steam's available energy?

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.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

How does an observation about an object differ from an inference about that object