Which two body systems pictured above interact with each other to break down and transport the nutrients found in food? a. the respiratory system and the circulatory system b. the nervous system and the respiratory system c. the digestive system and the nervous system d. the circulatory system and the digestive system

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

Which of the following are guidelines to follow for obtaining accurate observations

4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)