Graphical Addition: If 
- 
= 0, then the vectors 
and 
have equal magnitudes and are directed in the same direction.
A. True
B. False
Answer: A
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Two ways that the internal energy of a substance can be increased are __________ and __________
Fill in the blank(s) with correct word
A 15-?F capacitor is connected to a 50-V battery and becomes fully charged. The battery is removed and a slab of dielectric, having a dielectric constant of 5.0, is inserted between the plates and completely fills the space between them
(a) What is the capacitance of the capacitor after the slab is inserted? (b) What is the potential difference across the capacitor with the dielectric inserted.
The wavelength of light in a thin film is 360 nm and the wavelength of light in vacuum is 469 nm. What is the index of refraction for the film?
A) 1.10 B) 1.30 C) 1.50 D) 1.70 E) 1.90
The standard exam page is 8.50 inches by 11.0 inches. Its area in cm2 is
a. 19.5 b. 36.8 c. 93.5 d. 237. e. 603.