0.00325 × 10-8 cm equals
A) 3.25 × 10-12 mm
B) 3.25 × 10-11 mm
C) 3.25 × 10-10 mm
D) 3.25 × 10-9 mm
E) 3.25 × 10-8 mm
C
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A meter stick is hinged at its lower end and allowed to fall from a vertical position. If its moment of inertia is ML2/3, with what angular speed does it hit the table?
a. 5.42 rad/s c. 1.22 rad/s b. 2.71 rad/s d. 7.67 rad/s
A total lunar eclipse is
a. visible only from the path of totality. b. visible only during a new Moon. c. visible to all observers on the side of Earth from which the Moon would be visible at that time. d. an opportunity to study the corona of the Sun. e. None of the other choices are correct.
Length Contraction: Two stars are at rest relative to each other. In their common rest frame, these stars are 90.0 light-years apart. If they are measured to be 68.7 light-years apart by the navigator of a spaceship traveling between them, how fast is the spaceship moving relative to these stars?
A. 0.646c B. 0.604c C. 0.558c D. 0.505c
Which of the following correctly lists spectral types in order of decreasing temperature (from hottest to coolest)?
A) MKGFABO B) OBAGFKM C) OBAFGKM D) ABFGKMO E) BAGFKMO