What mission landed on Titan in early 2005?
A) Galileo's probe
B) Huygens
C) New Horizons
D) Rover Spirit
E) Cassini orbiter
B
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The momentum of light
A. Is not in this chapter B. Is only a mathematical trick C. Cannot be measured D. Is not conserved
The celestial prime meridian is an imaginary half-circle running from the north celestial pole to the south celestial pole and crossing perpendicular to the celestial equator at the point of the
a. autumnal equinox. b. summer solstice. c. vernal equinox. d. winter solstice.
A bar (L = 80 cm) moves on two frictionless rails, as shown, in a region where the magnetic field is uniform (B = 0.30 T) and into the paper. If v = 50 cm/s and R = 60 m?, what is the magnetic force on the moving bar?
a.
0.48 N to the right
b.
0.48 N to the left
c.
0.32 N to the left
d.
0.32 N to the right
e.
None of the above
A pendulum is made with a 4.00 kg mass suspended at the end of a thin rod. The period of the small motion simple harmonic motion is 1.00 sec. What is the length of the thin rod?
A. 24.8 cm B. 29.7 cm C. 31.4 cm D. 34.1 cm E. 36.2 cm