Quantum uncertainties are most predominant for simultaneously measuring the speed and location of
A) a baseball.
B) a spitball.
C) an electron.
D) none of the above
Answer: C
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Which is more dangerous, touching a faulty 120-V light fixture, or a Van de Graaff generator charged to 100,000 V?
A) light fixture B) generator C) both equally
A force of 10.0 N is applied to a wire with an un-stretched length of 4.00 m and a diameter of 5.00 mm. If the wire changed length by 1.20 mm, then the stress in the wire is
a. 
b. 
c. 
d. 
e. 
The graph represents the velocity of a car over time. Where the car ends up, relative to its starting point, can be found by
A. adding the slopes of each section of the graph.
B. adding area 1 to area 2.
C. subtracting area 2 from area 1.
D. subtracting area 1 from area 2.
The absolute magnitude of the Sun is
A) -26.7. B) -12.1. C) 0. D) +4.8. E) +26.7.