Physics, 10.08.2021 02:40 19thomasar
A 100,000kg iceberg at -5 oC breaks away from the polar ice shelf and floats away into the ocean which is at 5 oC. What is the final change in the entropy of the universe when the iceberg has completely melted and comes to T. E. with the ocean water? Specific heat of ice is 2010 J/kg
Answers: 1
Physics, 22.06.2019 14:00, 6224968918
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 22.06.2019 16:50, Walkman2092
Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
Answers: 2
Physics, 22.06.2019 19:00, maddied2443
Matter that emits no light at any wavelength is called
Answers: 2
A 100,000kg iceberg at -5 oC breaks away from the polar ice shelf and floats away into the ocean whi...
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