A body at the end of a spring oscillates up and down ten times in five seconds. The period of oscillation is
a. 0.5 s.
b. 2 s.
c. 5 s.
d. 10 s.
e. not determinable.
a
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The figure shows the graph of 
versus time for an object moving along the x-axis. Solve graphically for the distance traveled from t = 9.0 s to t = 13.0 s.
A. 60 m
B. 84 m
C. 76 m
D. 80 m
When spiral galaxies do collide, the impact is greatest on their:
A) individual stars. B) galactic nuclei. C) giant molecular clouds. D) open clusters. E) globular clusters.
At a depth of about 1030 m in the sea the pressure has increased by 100 atmospheres (to about 107 N/m2). By how much has 1.0 m3 of water been compressed by this pressure? The bulk modulus of water is 2.3 × 109 N/m2
A) 2.3 × 10-3 m3 B) 3.3 × 10-3 m3 C) 4.3 × 10-3 m3 D) 5.3 × 10-3 m3 E) 6.3 × 10-3 m3
Two parallel-plate capacitors have the same plate area, and the gap between the plates is filled with a dielectric with a dielectric constant equal to 8 . The gap in capacitor A is one half that in Capacitor B. What is the ratio of the capacitance of A to B?
a. 4 b. 1 c. 1/4 d. 8 e. The ratio is not given.