The potential energy of a spring of constant k that has been stretched a distance x is given by
A. (½)kx.
B. kx2.
C. (½)kx2.
D. (½)k/x.
E. kx.
Answer: C
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A) 1. B) 2. C) 3. D) 4. E) none of the above
A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?
A) 10 km/h-s B) 5 km/h-s C) 9.8 m/s2 D) 8 km/h-s E) 4 km/h-s
In beta-minus decay, which neutrino is emitted?
A. the electron neutrino B. the electron antineutrino C. the muon neutrino D. the muon antineutrino E. the tau neutrino
Match the words in the left-hand column to the appropriate blanks in the sentences in the right-hand column. Use each word only once.
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