Which is NOT an example of the Bernoulli effect?
a. Smoke going up a chimney faster when there is a wind outside.
b. A roof coming off a house in a tornado.
c. A tarp covering a truck lifting up as the truck drives.
d. Drinking a liquid through a straw.
e. A piece of paper held in front of your lips rising as you blow air over it.
d
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Which of the following can you never know about a black hole?
a. Mass b. Rotation c. Electrical charge d. The elements of the material that has fallen in.
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Answer the following statement true (T) or false (F)
What gets left behind in the middle of a planetary nebula?
A.) A newborn star. B.) A white dwarf. C.) A neutron star. D.) A black hole. E.) None of the above.
An unpolarized beam of light is incident on a pane of glass (n = 1.69) such that the reflected component coming off the glass is completely polarized. What is the angle of incidence in this case?
a. 53.7° b. 7.33° c. 1.04° d. 59.4° e. 36.3°