The answer is false
The type of current supplied is dc
Answer:
It takes approximately 52 min to drive from San Jose to San Francisco.
Explanation:
The answer is frame of reference ( system ).
Frame of reference <span>is a physical concept related to state of motion.
hoped it helped!!</span>
Answer:
a. 
b. 
c. 
Explanation:
Given:
- temperature of the hotter reservoir,

- temperature of the colder reservoir,

- heat absorbed by the engine,

- heat rejected to the cold reservoir,

- time duration of the energy transfer,

<u>Now the work done by the engine:</u>
Using energy conservation,



a.
<u>Hence the power output:</u>



b.



c.
now actual efficiency:


