Physics, 02.06.2021 14:00 kikimiller
the M. E = K. E + P. E. If the M. E of the football is 150 J and when it's thrown the K. E is 70 J. What is the P. E of the football?
Answers: 1
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During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
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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
the M. E = K. E + P. E. If the M. E of the football is 150 J and when it's thrown the K. E is 70 J....
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