Aheat engine is operating on a carnot cycle and has a thermal efficiency of 75 percent. the waste heat from this engine is rejected to a nearby lake at 60of at a rate of 800 btu/min. determine (a the power output of the engine and (b the temperature of the source.

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program