What is the angular momentum of the Moon about the Earth? The mass of the Moon is 7.35 × 10^22 kg, the center-to-center separation of the Earth and the Moon is 3.84 × 10^5 km, and the orbital period of the Moon is 27.3 days. Ignore the small offset of the center of mass of the system from the center of the Earth in your calculation
2.89 × 10^34 kg/m2/s
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The specific heat of ice is about ________ the specific heat of liquid water
A) the same as B) half C) double D) one tenth E) 3 times greater than
Carbon dioxide forms into a solid (dry ice) at approximately -157°F. What temperature in degrees Celsius does this correspond to?
a. -157°C c. -105°C b. -93°C d. -121°C
Under steady state conditions, a piece of wood 350 mm by 350 mm and 15 mm thick conducts heat through its thickness and loses no appreciable heat through its well-insulated sides
The rate of heat flow is measured to be 14.0 W when the temperature difference across its thickness is 28°C. Determine the thermal conductivity of this wood. A) 9.2 × 10-4 W/(m ? °C) B) 270 W/(m ? °C) C) 16 W/(m ? °C) D) 0.061 W/(m ? °C) E) 33 W/(m ? °C)
A heavy ball hangs by a string, with a second string attached to its bottom. A slow pull on the bottom string breaks the
A) top string. B) bottom string. C) top or bottom string equally.