In an isothermal process for an ideal gas system (where the internal energy doesn't change), which of the following choices best corresponds to the value of the work done on the system?
a. its heat intake
b. twice its heat intake
c. the negative of its heat intake
d. twice the negative of its heat intake
c
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Both sound waves and electromagnetic radiation:
A) travel at the speed of light. B) require a medium to move through space. C) can move through space without a medium. D) transfer energy. E) are transverse waves.
Ancient coal beds can be found in Antarctica because
A) at one time the climate of Antarctica was mild enough to support swamplands. B) ancient coal beds were frozen in the Antarctic ice. C) it used to be located in the northern hemisphere. D) it was located at the equator during the Carboniferous period.
Charge of uniform density 50 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 5.0 cm). Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis)
a. 2.7 V b. 2.0 V c. 2.4 V d. 1.7 V e. 3.4 V
A wood stove in the corner of a cabin causes the entire cabin to become heated because of heat conduction
a. True b. False Indicate whether the statement is true or false