Physics, 27.06.2019 02:30 jvanegas6797
The graph below shows the downloads of two songs over time. which term describes the slope of the graph of song 2 between minute 14 and minute 15? a. negative b. zero c. it is impossible to calculate d. positive
Answers: 1
Physics, 21.06.2019 19:50
How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.
Answers: 1
Physics, 21.06.2019 23:00
Acoal-fired plant generates 600 mw of electric power. the plant uses 4.8 x 10^6 kg of coal each day, and the heat of combustion of coal is 3.3x 10^7 j/kg. the steam that drives the turbines is at a temperature of 300° c, and the exhaust water is at 37° c. (a) what is the overall efficiency of the plant for generating electric power? (b) how much thermal energy is exhausted each day? (c) what is the change in entropy of the universe for this heat engine? (d) using the same heat reservoirs, what is the maximum possible (carnot) efficiency for a heat engine?
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Physics, 22.06.2019 13:00
The substances that are necessary for producing of certain hormones and that store and transport vitamins
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Physics, 22.06.2019 20:00
What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
Answers: 1
The graph below shows the downloads of two songs over time. which term describes the slope of the gr...
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