Answer:
a)
, b) 
Explanation:
a) The Coefficient of Performance of the Carnot Heat Pump is:

After some algebraic handling, the temperature of the cold reservoir is determined:




b) The heating load provided by the heat pump is:



The answer would be 23 because the engines in a horse is a amount of 9 engines in 69 cars
Answer:The Wright brothers invented and flew the first airplane in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight". ... Airplanes had a presence in all the major battles of World War II. The first jet aircraft was the German Heinkel He 178 in 1939.
Explanation:
Answer:
Massive destruction
Explanation:
If the asteroid collides with the ground, a massive volume of dust will be blasted into the environment. If it collides with water, the amount of water vapour in the atmosphere will rise. This would result in more rain, which would cause earthquakes and mudslides.
As the asteroid collided with the Earth, massive volumes of dust were ejected into to the atmosphere. The sun's light were stopped from entering the Earth's surface, which is terrible news for plants.
Syntax
Compiling the code, punctuation and characters must be corrected.