What color will be transmitted through overlapping cyan and magenta filters?
a) Yellow
b) Black
c) Blue
d) White
Ans: c) Blue
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A longitudinal wave is represented by the equation z(z, t) = -2.0 cm sin(1,200 rad/s t - 20 
z). Another longitudinal wave is represented by the equation z(z, t) = +2.0 cm sin(1,200 rad/s t + 20
z). What is the equation that represents the superposition of the two waves?
A. z(z, t) = +4.0 cm cos(1,200 rad/s t) cos(20
z)
B. z(z, t) = +4.0 cm cos(1,200 rad/s t) sin(20z)
C. z(z, t) = +4.0 cm cos(1,200 rad/s t) cos(20z)
D. z(z, t) = -2.0 cm cos(1,200 rad/s t) sin(20z)
Like Earth, Jupiter's internal energy is generated chiefly by radioactive decay
Indicate whether the statement is true or false
Appliances in the USA are designed to work on 110-120 V, whereas appliances in Europe operate on 220-240 V. What would happen if you tried to use a European electric shaver in this country?
A) It would probably work as well as it does in Europe, since it is the power rating, not the voltage rating, that matters. B) It would probably work as well as it does in Europe, since it is the current rating, not the voltage rating, that matters. C) It would barely work (or maybe not work at all), since the voltage here is too low to push enough current through the device. D) It would probably overheat and burn up before very long. E) This question cannot be answered without knowing the frequency used in Europe and in the USA, since this is the parameter that matters most in any electrical device that operates on alternating current.
All Superfund sites must be cleaned to the same standard
What will be an ideal response?