....The car gains 2.35 x 10^4 J of gravitational potential energy during the process. What is the efficiency of the hoist?A. 7.00%B. 17.5%C. 25.0%D. 34.9%An Internal combustion engine has an efficiency of 20.0%. This engine is used to deliver 6.00 x 10^4 J of work to the rest of the drive train. What is the total energy input?A. 1.20 x 10^3 JB. 4.80 x 10^3 JC. 7.20 x 10^4 JD. 3.00 x 10^5 JList the following engine types in order of increasing efficiencyDaimler engineNewcomen steam engineSavery engineOtto engineWatt steam engine
(2.35*10^4)/(6.73*10^4) *100 = 34.9% Answer D is correct 100/20*(6.00*10^4) = 300,000J = 3*10^5J Last part of your question: Sorry you will have to look these up. This is something that does not require any calculation, and is merely reading up references, which you can do yourself
