Graphical Addition: If 
+ 
= 
and their magnitudes are given by A + B = C, then the vectors 
and 
are oriented
A. perpendicular relative to one other.
B. parallel to each other (in the same direction).
C. antiparallel to each other (in opposite directions).
D. It is impossible to know from the given information.
Answer: B
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Photoelectric Effect: A photoelectric surface has a work function of 2.10 eV. Calculate the maximum kinetic energy, in eV, of electrons ejected from this surface by electromagnetic radiation of wavelength 356 nm. (1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
Fill in the blank(s) with the appropriate word(s).
Before turning into a white dwarf, a star like the Sun will spend most of its life as a main sequence star.
Answer the following statement true (T) or false (F)
If the power rating of a 400-? resistor is 0.800 W, what is the maximum voltage that can safely be connected across the resistor?
A) 1.80 V B) 170 V C) 110 V D) 17.9 V
What is the magnitude of the phase angle of an AC series circuit that is constructed of a 10.0-W resistor along with 20.00-W inductive reactance and 7.00-W capacitive reactance?
a. 18.4° c. 52.4° b. 26.6° d. 59.5°