At the microscopic level, the difference between gases and solids is that
A) there is much more distance (at least 10 times more) between neighboring atoms in a gas than between neighboring atoms in a solid.
B) the gas's atoms move throughout the gas, while the solid's atoms remain near their original locations.
C) in a gas, the individual atoms are larger.
D) both answers A and B are correct.
E) both answers B and C are correct.
D
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Carbon fibers are made of amorphous carbon and polycrystalline _________whose plates are oriented along the fiber axis.
Fill in the blank(s) with the appropriate word(s).
Conversion of Units: A cylindrical drinking glass has a diameter of 2.5 in. and is 5.5 in. tall. What is the volume of the drinking glass in cubic centimeters? (2.54 cm = 1.00 in.)
A. 170 cubic cm B. 440 cubic cm C. 350 cubic cm D. 710 cubic cm E. 530 cubic cm
A 2.0 g bead slides along a frictionless wire, as shown in the figure. At point A, the bead is moving to the right but with negligible speed
(a) What is the potential energy of the bead at point A? (b) What is the kinetic energy of the bead at point B? (c) What is the speed of the bead at point B? (d) What is the speed of the bead at point C? What will be an ideal response?
A parallel-plate capacitor is disconnected from a battery, and the plates are pulled a small distance further apart. Does the energy stored in the capacitor increase, decrease, or stay the same?
1.increase 2.decrease 3.remains the same