Physics, 13.11.2019 03:31, Isaiahplater27
Heat engines take input energy in the form of heat, use some of that energy to do work, and exhaust the remainder. similarly, a person can be viewed as a heat engine that takes an input of internal energy, uses some of it to do work, and gives off the rest as heat. suppose a trained athlete can function as a heat engine with an efficiency of 0.10. (a) what is the magnitude of the internal energy that the athlete uses in order to do 1.5x104 j of work? (b) determine the magnitude of the heat the athlete gives off.
Answers: 1
Physics, 23.06.2019 01:30, Dmoney5104
Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
Answers: 3
Physics, 23.06.2019 09:30, Lalagrl
The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.
Answers: 2
Heat engines take input energy in the form of heat, use some of that energy to do work, and exhaust...
History, 17.07.2019 16:20