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°
Answer: D
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In the double-slit experiment with light,
A) the impact point of each photon cannot be predicted, and neither can the overall pattern of impact points. B) the impact point of each photon cannot be predicted, but the overall pattern can be predicted. C) the impact point of each photon can be predicted, but the overall pattern of impact points cannot be predicted. D) the impact point of each photon can be predicted, and so can the overall pattern of impact points of a large number of photons.
A 0.40-m radius automobile tire accelerates from rest at a constant 2.0 rad/s2 over a 5.0 s interval. What is the tangential component of acceleration for a point on the outer edge of the tire during the 5.0-s interval?
a. 33 m/s2 c. 0.60 m/s2 b. 0.80 m/s2 d. 0.30 m/s2
The largest known galaxies contain about 10 billion solar masses
Indicate whether the statement is true or false
A stone is lifted and released so that it falls to the ground. According to Aristotle, it fell because
A) of friction. B) of gravity. C) its natural motion is to fall. D) of electrical attraction. E) of its inertia.