Pluto was named after the Roman god of the dark underworld, and also for ________
Fill in the blank(s) with correct word
Percival Lowell
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In which of the following models will the universe stop expanding?
A) open universe B) critical density universe C) steady state universe D) closed universe E) All have an ultimate collapse.
A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2.0 T. At an instant when the angle between the field and the normal to the plane of the loop is equal to 20° and increasing at the rate of 10°/s, what is the magnitude of the induced emf in the loop?
a. 13 mV b. 0.27 V c. 4.8 mV d. 14 mV e. 2.2 mV
Mathematical models indicate that ____ galaxies are produced by high speed collisions in which a smaller galaxy passes through another galaxy almost perpendicular to the disk of the galaxy
a. ring b. spiral c. antenna d. irregular e. tidal tail
Monochromatic light of wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed at 32.0°, what is the grating constant (distance between the slits)?
A) 0.93 ?m B) 1.4 ?m C) 2.8 ?m D) 5.6 ?m E) 8.5 ?m