Velma is in a rocket ship moving north past Mort at half of lightspeed relative to Mort. She fires a laser beam forward from the front of her ship. Mort sees the laser beam move at
A) slightly faster than c.
B) slightly slower than speed c [lightspeed].
C) 1.5c.
D) c.
E) 0.5c.
D
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The SI unit H (the henry) is equal to a
A. V/m. B. V/A. C. V·s. D. V·s/A. E. V·A/s.
When looking at an object through a magnifier, the focused image you see is
A. Upright and real B. Inverted and real C. Upright and virtual D. Inverted and virtual
Instructions: On occasion, the notation 
will be a shorthand notation for 
.
The displacement of the tip of the 10 cm long minute hand of a clock between 12:15 A.M. and 12:45 P.M. is:
A. 10 cm, 90° B. 10 cm, 180° C. 10 cm, 4 500° D. 20 cm, 180° E. 20 cm, 540°
The resistivity of the material of a wire is 1.76 × 10-8 ?m. If the diameter of the wire is 2 × 10-3 m and its length is 2 m, what is its resistance?
A) 112 ? B) 11.2 ? C) 1.12 ? D) 0.112 ? E) 0.0112 ?