Show that the coefficient of thermal expansion for an ideal gas is 1/T, where T is the absolute temperature.
GIVEN
Ideal gas
Absolute temperature = T
FIND
• Show that the thermal expansion coefficient (?) = 1/T
The volumetric thermal expansion coefficient is defined as
For an ideal gas
where
For a constant pressure
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The circuit below contains 3 100-W light bulbs and a capacitor. The emf is 110 V. Which light bulb(s) is(are) brightest? (Assume the capacitor is fully charged.)
a.
A
b.
B
c.
C
d.
A and B
e.
All three are equally bright.
Give two explanations of why a cannonball fired from a long-barrel cannon will have a greater velocity than from a shorter cannon
What will be an ideal response?
You are given two converging lenses to build a compound microscope. Lens A has focal length 0.50 cm and lens B has focal length of 3.0 cm. Which one of the two lenses would you use for the objective?
A) Lens A, because it has the shorter focal length. B) Lens B, because it has the longer focal length. C) It makes no difference which lens I use for the objective. D) None, because the objective should be a diverging lens.
A 2.00 kg mass is located at (4.00 m, 0.00 m, 0.00 m) and a 4.00 kg mass is located at (0.00 m, 3.00 m,0.00 m). If this system of masses rotated about the Z-axis perpendicular to the X-Y plane, then the moment of inertia of this system is
A. 50 kg 
B. 55 kg
C. 58 kg
D. 62 kg
E. 68 kg