A heat pump requires 7.19 kW of power to maintain a house at the temperature of 25 C. House loses heat at a rate of 93,514 kj/h. If the people living in the house and electronic equipment dissipate 4,713 kJ/h. Determine the COP of the employed heat pump. (GIve your answer in three decimal places.)

It's time for santa to deliver his presents. assuming he delivers presents all over the world, he has to travel about 75,000,000 miles. if he travels east to west, he can use the time zones to make christmas day last 31 hours. what speed, in miles per hour, must santa fly to get all of his presents delivered?