A high tide is occurring at Charleston, South Carolina (70°W, 12°N). At approximately what other longitude is a high tide occurring?
a. 110°E
b. 70°E
c. 20°E
d. 20°W
e. 110°W
a
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Chloroplasts are found in the cells of which of the following organisms?
a. Clams b. Tulips c. Parrots d. Starfish
In order to overcome a surface tension of a fluid, a force of 1.35 × 10^?2 N is required to lift a wire ring of circumference 13.0 cm. What is the surface tension of the fluid?
a. 0.052 N/m b. 0.104 N/m c. 0.552 N/m d. 5.19 N/m e. 17.6 N/m
Water is flowing through a pipe with a constriction. The area of the narrow section is one-half the area of the wide section. If the velocity of the incompressible fluid is 3.2 m/s in the wide section, then what is the velocity of the fluid in the narrow section?
A. 6.4 m/s B. 5.9 m/s C. 5.0 m/s D. 4.7 m/s E. 4.2 m/s
A 600-kg car makes a 90° turn. Its speed before the turn is 21.0 m/s and after the turn it is 24.0 m/s. What is the magnitude of the change in the car's momentum during the turn?
A) 19.1 × 103 kg?m/s B) 10.2 × 103 kg?m/s C) 9.55 × 103 kg?m/s D) 12.0 × 103 kg?m/s E) 22.2 × 103 kg?m/s