Agalaxy that was once a quasar is likely to
a) have burned all its fuel by now and be da...
Physics, 14.10.2019 20:50 litwork5885
Agalaxy that was once a quasar is likely to
a) have burned all its fuel by now and be dark.
b) now be a dwarf irregular.
c) have a black hole at its nucleus.
d) still be a quasar.
e) be less than 5 billion years old.
Answers: 2
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Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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Physics, 22.06.2019 07:50
The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.
Answers: 2
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