# 6 Power and Efenc… Ox 0. Efency B ross (66268) 2 How much heat is absorbed in each cycle? Answer in units of J. 017 (part 3 of 3) 10.0 points How

really only need 18 and 19 done for this one and explained

6 Power and Efﬁenc… Ox 0. Efﬁency B — ross — (66268) 2 How much heat is absorbed in each cycle?Answer in units of J. 017 (part 3 of 3) 10.0 pointsHow much heat is given off in each cycle?Answer in units of J. 018 (part 1 of 2) 10.0 pointsA heat engine performs 111 J of work in eachcycle and has an efﬁciency of 24%. ‘For each cycle of operation, how much en— ergy is absorbed by heat?Answer in units of J. 019 (part 2 of 2) 10.0 pointsHow much energy is expelled by heat?Answer in units of J. 020 (part 1 of 3) 10.0 pointsA generator at Hoover Dam can supply385 MW of electrical power. Assume thatthe turbine and the generator are 81.4% efﬁ—cient. Find the rate with which falling water mustsupply energy to the turbine. The accelera—tion due to gravity is 9.8 m/s2 . Answer in units of MW. 021 (part 2 of 3) 10.0 pointsQThe energy of the water comes from e 