A cubical box 20cm on a side is constructed from 15cm
A cubical box 20cm on a side is constructed from 1.5cm -thick concrete panels. A 100 W lightbulb is sealed inside the box.
What is the air temperature inside the box when the light is on if the surrounding air temperature is 20 ?C?
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a person runs 30 miles to the northwest 45 degrees with respect to the we line then 35 miles south what is the persons
a find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to three times the
on june 30 2004 mendenhal company issued 12 bonds with a par value of 622100due in 20 years they were issued at98and
22g of nitrogen gas at stp are pressurized in an isochoric process to a pressure of 30atm a what is the final
a cubical box 20cm on a side is constructed from 15cm -thick concrete panels a 100 w lightbulb is sealed inside the
a spacecraft orbits an unknown planet at a distance of 52 x 107 m from its center the period of its orbit is 52 hours
the suns intensity at the distance of the earth is 1370 wm2 30 of this energy is reflected by water and clouds 70 is
two adjacent natural frequencies of an organ pipe are found to be 840 hz and 910 hza calculate the fundamental
a refrigerator does 180 kj of work while moving 115kj of thermal energy from inside the refrigerator what is its
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