Which force is sometimes attractive and has an infinite range?
A. strong nuclear
B. weak nucl...
Physics, 11.03.2021 18:00 extasisjorge
Which force is sometimes attractive and has an infinite range?
A. strong nuclear
B. weak nuclear
C. gravitational
D. electromagnetic
Answers: 2
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Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law
Answers: 2
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Two kilograms of air within a piston–cylinder assembly executes a carnot power cycle with maximum and minimum temperatures of 800 k and 300 k, respectively. the heat transfer to the air during the isothermal expansion is 60 kj. at the end of the isothermal expansion the volume is 0.4 m3. assume the ideal gas model for the air. determine the thermal efficiency, the volume at the beginning of the isothermal expansion, in m3, and the work during the adiabatic expansion, in kj.
Answers: 1
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Why does gravity have a lesser than grater effect on higher altitudes?
Answers: 2
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