Physics, 02.08.2019 23:30 giuliabril
The mass of a certain neutron star is 1.2 × 1031 kg (6 solar masses) and its radius is 5000 m. what is the acceleration of gravity at the surface of this condensed, burned-out star
Answers: 1
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Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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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 mass of a certain neutron star is 1.2 × 1031 kg (6 solar masses) and its radius is 5000 m. what...
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