Physics, 20.09.2020 15:01 lilymessina94
How much force is required to accelerate a 5 kg object at 5 m/s^2?
Answers: 1
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Which of the following represents an upright image? a. -do b. +m c. -m d. +do
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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 06:30
What are similarities and differences between refraction, reflection, diffraction and absorption?
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Physics, 22.06.2019 11:30
Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above
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How much force is required to accelerate a 5 kg object at 5 m/s^2?...
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