Consider an ideal gas at 1.0 atmosphere in a closed container. If the temperature changes from 300. K to 450. K, the final gauge pressure will be
A) 0.5 atm.
B) 4.5 atm.
C) 1.5 atm.
D) 3.0 atm.
E) 21. psi.
A
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The point P lies along the perpendicular bisector of the line connecting two long straight wires S and T perpendicular to the page. A set of directions A through H is shown next to the diagram. When the two equal currents in the wires are directed into the page, the direction of the magnetic field at P is closest to the direction of
a.
A
b.
B.
c.
C.
d.
D.
e.
E.
Parts (a), (b), and (c) of the figure below represent three graphs of the velocities of different objects moving in straight-line paths as functions of time. The possible accelerations of each object as functions of time are shown in parts (d), (e), and (f). Match each velocity vs. time graph with the acceleration vs. time graph that best describes the motion
Which element has the atomic number 9?
A) F B) Ne C) B D) Na E) Be
What determines the "pitch" of a musical note?
A) amplitude B) wavelength C) frequency D) phase E) intensity